BOSS DR12 Notes (v1.2)¶

Download this notebook.

# imports
import os
import h5py

from astropy.table import Table, vstack

from linetools.spectra import io as lsio

dpath = os.getenv('RAW_IGMSPEC')+'/BOSS/'

QSOs¶

Grabbing catalogs from http://www.sdss.org/dr12/algorithms/boss-dr12-quasar-catalog/

DR12 Quasar Catalog¶

Main catalog from BOSS (Paris et al. 2015)

See https://data.sdss.org/datamodel/files/BOSS_QSO/DR12Q/DR12Q.html for the data model.

Downloaded DR12Q.fits (513 MB): SDSS-DR12Q (Main catalog, fits format) on 14 June 2016

boss_file = dpath + 'DR12Q.fits.gz'
boss_hdu = fits.open(boss_file)
boss_hdu.info()

Filename: /u/xavier/Raw_IGMspec/BOSS/DR12Q.fits.gz
No.    Name         Type      Cards   Dimensions   Format
0    PRIMARY     PrimaryHDU      16   (19442,)     uint8
1    DR12Q.fits  BinTableHDU    644   297301R x 158C   [18A, D, D, J, J, J, J, D, E, E, J, D, D, D, D, D, D, I, K, K, K, K, J, 32J, 32J, 32J, J, J, J, J, I, D, D, 32D, D, D, D, D, D, D, D, D, D, D, D, D, D, D, D, D, D, D, D, D, D, I, D, D, D, D, D, J, D, D, J, D, D, D, D, D, I, J, 3A, I, I, 19A, 5E, 5E, 5E, 5E, 5D, D, D, 5E, 5E, D, I, D, D, D, D, D, D, I, D, D, D, D, D, D, D, D, D, D, D, D, I, D, I, D, D, D, D, D, D, D, J, D, D, D, J, D, D, D, J, D, D, D, D, D, D, D, D, D, D, D, D, D, D, D, D, D, 4A, 4A, D, I, E, E, E, E, E, E, E, E, I, D, D, D]

boss_head0 = boss_hdu[0].header
boss_head0

SIMPLE  =                    T / Standard FITS format
BITPIX  =                    8 / Character data
NAXIS   =                    1 / Text string
NAXIS1  =                19442 / Number of characters
VOTMETA =                    T / Table metadata in VOTable format
EXTEND  =                    T / There are standard extensions
COMMENT
COMMENT The data in this primary HDU consists of bytes which
COMMENT comprise a VOTABLE document.
COMMENT The VOTable describes the metadata of the table contained
COMMENT in the following BINTABLE extension.
COMMENT Such a BINTABLE extension can be used on its own as a perfectly
COMMENT good table, but the information from this HDU may provide some
COMMENT useful additional metadata.
COMMENT There is one following BINTABLE.
NTABLE  =                    1 / Number of following BINTABLE HDUs

boss_dr12 = Table(boss_hdu[1].data)
boss_dr12[0:5]

SDSS_NAME	RA	DEC	THING_ID	PLATE	MJD	FIBERID	Z_VI	Z_PIPE	ERR_ZPIPE	ZWARNING	Z_PCA	ERR_ZPCA	PCA_QUAL	Z_CIV	Z_CIII	Z_MGII	SDSS_MORPHO	BOSS_TARGET1	ANCILLARY_TARGET1	ANCILLARY_TARGET2	EBOSS_TARGET0	NSPEC_BOSS	PLATE_DUPLICATE [32]	MJD_DUPLICATE [32]	FIBERID_DUPLICATE [32]	SDSS_DR7	PLATE_DR7	MJD_DR7	FIBERID_DR7	UNIFORM	ALPHA_NU	SNR_SPEC	SNR_DUPLICATE [32]	SNR_1700	SNR_3000	SNR_5150	FWHM_CIV	BHWHM_CIV	RHWHM_CIV	AMP_CIV	REWE_CIV	ERR_REWE_CIV	FWHM_CIII	BHWHM_CIII	RHWHM_CIII	AMP_CIII	REWE_CIII	ERR_REWE_CIII	FWHM_MGII	BHWHM_MGII	RHWHM_MGII	AMP_MGII	REWE_MGII	ERR_REWE_MGII	BAL_FLAG_VI	BI_CIV	ERR_BI_CIV	AI_CIV	ERR_AI_CIV	CHI2TROUGH	NCIV_2000	VMIN_CIV_2000	VMAX_CIV_2000	NCIV_450	VMIN_CIV_450	VMAX_CIV_450	REW_SIIV	REW_CIV	REW_ALIII	RUN_NUMBER	PHOTO_MJD	RERUN_NUMBER	COL_NUMBER	FIELD_NUMBER	OBJ_ID	PSFFLUX [5]	IVAR_PSFFLUX [5]	PSFMAG [5]	ERR_PSFMAG [5]	TARGET_FLUX [5]	MI	DGMI	EXTINCTION [5]	EXTINCTION_RECAL [5]	HI_GAL	VAR_MATCHED	VAR_CHI2	VAR_A	VAR_GAMMA	RASS_COUNTS	RASS_COUNTS_SNR	SDSS2ROSAT_SEP	N_DETECTION_XMM	FLUX02_12KEV_SGL	ERR_FLUX02_12KEV_SGL	FLUX02_2KEV	ERR_FLUX02_2KEV	FLUX2_12KEV	ERR_FLUX2_12KEV	FLUX02_12KEV	ERR_FLUX02_12KEV	LUM02_2KEV_SGL	LUM05_2KEV	LUM2_12KEV	LUM02_2KEV	LUMX2_10_UPPER	SDSS2XMM_SEP	GALEX_MATCHED	FUV	FUV_IVAR	NUV	NUV_IVAR	JMAG	ERR_JMAG	JSNR	JRDFLAG	HMAG	ERR_HMAG	HSNR	HRDFLAG	KMAG	ERR_KMAG	KSNR	KRDFLAG	SDSS2MASS_SEP	W1MAG	ERR_W1MAG	W1SNR	W1CHI2	W2MAG	ERR_W2MAG	W2SNR	W2CHI2	W3MAG	ERR_W3MAG	W3SNR	W3CHI2	W4MAG	ERR_W4MAG	W4SNR	W4CHI2	CC_FLAGS	PH_FLAG	SDSS2WISE_SEP	UKIDSS_MATCHED	YFLUX	YFLUX_ERR	JFLUX	JFLUX_ERR	HFLUX	HFLUX_ERR	KFLUX	KFLUX_ERR	FIRST_MATCHED	FIRST_FLUX	FIRST_SNR	SDSS2FIRST_SEP
str18	float64	float64	int32	int32	int32	int32	float64	float32	float32	int32	float64	float64	float64	float64	float64	float64	int16	int64	int64	int64	int64	int32	int32	int32	int32	int32	int32	int32	int32	int16	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	int16	float64	float64	float64	float64	float64	int32	float64	float64	int32	float64	float64	float64	float64	float64	int16	int32	str3	int16	int16	str19	float32	float32	float32	float32	float64	float64	float64	float32	float32	float64	int16	float64	float64	float64	float64	float64	float64	int16	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	int16	float64	int16	float64	float64	float64	float64	float64	float64	float64	int32	float64	float64	float64	int32	float64	float64	float64	int32	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	str4	str4	float64	int16	float32	float32	float32	float32	float32	float32	float32	float32	int16	float64	float64	float64
000000.45+174625.4	0.00189828518376	17.7737391299	268514930	6173	56238	528	2.30909729004	2.3091	0.000943339	0	2.30763868197	-1.0	0.346182279084	2.31230791362	2.30638494927	2.3046866469	0	2199023796224	0	0	0	0	-1 .. -1	-1 .. -1	-1 .. -1	0	-1	-1	-1	0	0.537336213179	0.779484925454	-1.0 .. -1.0	0.58568293642	0.915501904005	-1.0	4278.7900341	1595.2886496	2683.5013845	2.15328741853	44.0028643812	1.40097166147	3575.00108901	1554.12165803	2020.87943097	0.706666936497	38.4285671721	15.8517240349	7996.40388327	4579.19012749	3417.21375578	0.223279535625	69.3860000703	17.8808108042	0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	7713	54741	301	4	231	1237678601842131080	1.03848 .. 2.65843	12.3597 .. 0.852828	22.4398 .. 21.3627	0.287135 .. 0.386405	1.03847694397 .. 2.65843176842	-23.882931269	-0.0820910409093	0.146195 .. 0.0419442	0.113614 .. 0.0338511	21.9297126138	0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	1	0.302318871021	8.78557314038	0.727564871311	4.53735896492	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0			0.0	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	-1	0.0	0.0	0.0
000000.66+145828.8	0.00275643009297	14.9746754937	245101352	6177	56268	595	2.49794077873	2.49794	0.00087528	0	2.5158747041	0.00152614617889	0.0637837702159	2.49650563784	2.48943398984	-1.0	0	2199023255552	0	0	0	1	6172 .. -1	56269 .. -1	366 .. -1	0	-1	-1	-1	0	-1.02687764161	3.50091459041	3.17286659113 .. -1.0	2.83518425232	1.00020946838	-1.0	5336.1138803	2014.51203621	3321.60184409	3.35973519002	23.5146308167	0.61035250618	9292.63026767	4320.17455664	4972.45571103	1.94089573578	24.2927232211	1.93123733219	-1.0	-1.0	-1.0	-1.0	-1.0	-1.0	0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	2566	52170	301	4	309	1237656495650570598	1.65166 .. 5.42985	15.6463 .. 0.836171	21.9475 .. 20.6434	0.16385 .. 0.210973	-1.0 .. -1.0	-25.2306891586	0.348158091307	0.198727 .. 0.057016	0.113059 .. 0.0336857	21.9413001969	3	3.38717365265	0.0859531164169	0.117734603584	0.0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	1	0.0463186129928	701.104283731	0.0525297634304	384.750962198	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0			0.0	1	1.86038e-31	3.14768e-32	2.31095e-31	4.56533e-32	2.35531e-31	5.97048e-32	2.42715e-31	6.52172e-32	0	0.0	0.0	0.0
000000.97+044947.2	0.00405238853989	4.82978057467	154279486	4415	55831	464	1.61884605885	1.61885	0.000585458	0	1.62861043214	0.000518233828123	0.0515782360318	-1.0	1.62392937561	1.62986379892	0	2199023910912	0	0	0	0	-1 .. -1	-1 .. -1	-1 .. -1	0	-1	-1	-1	0	-0.281249716967	7.11018367836	-1.0 .. -1.0	1.26814974223	13.8079141452	-1.0	-1.0	-1.0	-1.0	-1.0	-1.0	-1.0	5863.20521905	1992.14674007	3871.05847897	4.39195264612	26.8087449013	1.08748973709	2443.60056629	1249.45778705	1194.14277924	5.28947926376	34.7988813362	1.12838363307	0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	7754	54764	301	3	314	1237678777404358776	6.64573 .. 19.9043	7.15662 .. 0.524856	20.4432 .. 19.2511	0.0610158 .. 0.0750861	-1.0 .. -1.0	-25.6002618809	0.259628534317	0.169289 .. 0.0485699	0.0706297 .. 0.0210439	21.984099559	3	3.0460691452	0.00874528381974	1.38586497307	0.0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	1	0.349308043718	22.5872342774	1.57329285145	13.871135159	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	15.503	0.0439999997616	24.5	0.9052	13.987	0.0439999997616	24.5	0.913	10.764	0.112000003457	9.7	0.9418	8.056	0.204999998212	5.3	0.0	0000	AABB	0.2685124497	1	5.52544e-31	3.59559e-32	6.5975e-31	4.15465e-32	9.03816e-31	4.42033e-32	8.56743e-31	5.17877e-32	0	0.0	0.0	0.0
000001.27-020159.7	0.00531697386447	-2.03327328857	62145359	4354	55810	678	1.36035752296	1.36036	0.000446798	0	1.3620117334	0.000387699697741	0.067487221695	-1.0	1.36947900576	1.36228359848	0	262144	0	0	0	0	-1 .. -1	-1 .. -1	-1 .. -1	0	-1	-1	-1	0	-1.39326160087	6.19811995326	-1.0 .. -1.0	4.66697206438	8.58575755825	-1.0	-1.0	-1.0	-1.0	-1.0	-1.0	-1.0	4531.63708015	1976.86675452	2554.77032563	3.89217044527	17.4573695777	0.607354358226	3824.89894905	1722.62402033	2102.27492872	7.30968073084	46.7586890329	0.689398949182	0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	7907	54847	301	5	72	1237679435592237166	5.76685 .. 29.0579	10.6877 .. 1.00457	20.597 .. 18.8411	0.0575218 .. 0.0372313	5.32644176483 .. 29.2693309784	-25.652609646	0.69809705019	0.196977 .. 0.0565138	0.0771557 .. 0.0229884	22.0697143353	0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	1	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	14.888	0.0340000018477	32.0	1.105	13.519	0.035000000149	31.3	0.9211	10.444	0.0879999995232	12.3	0.9571	8.145	0.259000003338	4.2	0.0	0000	AAAB	0.0921563131389	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	1	1.25999999046	7.04838902393	0.571058551544
000001.37-011930.0	0.00574621499496	-1.32500879187	66692618	4354	55810	646	2.328	2.33265	0.000195919	0	2.33456479681	0.000783532473742	0.058201189098	2.33222960501	2.33543504867	2.32301056885	0	16492675088384	0	0	0	0	-1 .. -1	-1 .. -1	-1 .. -1	0	-1	-1	-1	1	-0.802773699467	8.25765994227	-1.0 .. -1.0	9.81237592517	1.86024098217	-1.0	3370.41645343	1261.09690868	2109.31954474	13.3699896223	38.2695338052	1.4695270759	2542.7639249	1280.2187011	1262.5452238	4.71637626275	24.20951005	1.61833256374	4449.89001366	2659.60236737	1790.28764629	0.821396719479	15.3583995907	1.55066668035	0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	7778	54769	301	6	317	1237678882094383164	5.31167 .. 11.0535	7.51421 .. 0.887166	20.6862 .. 19.8864	0.0744644 .. 0.103363	5.21554374695 .. 11.9897375107	-25.7973009383	-0.0126702487469	0.226728 .. 0.0650497	0.0805806 .. 0.0240088	22.0697143353	0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	1	0.0929132923484	44.9880867706	0.22756947577	2.51742246388	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	16.72	0.103000000119	10.6	1.038	15.929	0.166999995708	6.5	0.9004	11.903	0.284999996424	3.8	0.9703	8.981	-999.999023438	-0.8	0.0	0000	ABBU	0.450937991337	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0.0

Serendipitous QSOs¶

http://data.sdss3.org/sas/dr12/boss/qso/DR12Q/DR12Q_sup.fits

As described here https://data.sdss.org/datamodel/files/BOSS_QSO/DR12Q/DR12Q_sup.html

# Read
boss_sup = Table.read(os.getenv('RAW_IGMSPEC')+'/BOSS/DR12Q_sup.fits.gz')

boss_sup[0:5]

SDSS_NAME	RA	DEC	THING_ID	PLATE	MJD	FIBERID	Z_VI	Z_PIPE	ERR_ZPIPE	ZWARNING	SDSS_MORPHO	BOSS_TARGET1	ANCILLARY_TARGET1	ANCILLARY_TARGET2	EBOSS_TARGET0	BAL_FLAG_VI	OBJ_ID	PSFFLUX [5]	IVAR_PSFFLUX [5]	PSFMAG [5]	ERR_PSFMAG [5]	EXTINCTION [5]
-	deg	deg	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	nanomaggies	-	-	-	-
str18	float64	float64	int32	int32	int32	int32	float64	float32	float32	int32	int16	int64	int64	int64	int64	int32	str19	float32	float32	float32	float32	float32
000000.47-002703.9	0.00197831659392	-0.451088294717	85874308	4216	55477	310	0.25	0.249952	4.4377e-05	0	1	0	68719476736	0	0	0	1237657190368346361	2.10464 .. 11.4228	15.7601 .. 1.51615	18.7152 .. 17.2756	0.128812 .. 0.0765538	0.212343 .. 0.0609224
000037.70+160359.5	0.157114829154	16.0665528971	254597890	6139	56192	996	0.458565	0.458563	3.89529e-05	0	1	134	0	0	0	0	1237652944786030861	1.70663 .. 17.5837	15.5332 .. 0.808693	23.9659 .. 20.4371	0.159289 .. 0.068421	0.194462 .. 0.0557924
000051.26-001411.0	0.213592530117	-0.236398018053	87838293	4216	55477	240	0.888	0.887201	0.000178878	0	1	0	68719476736	0	0	0	1237663783660618188	0.694035 .. 4.16114	31.5436 .. 2.58294	24.4937 .. 19.5473	0.25831 .. 0.152964	0.172871 .. 0.0495976
000101.03+302622.1	0.254321250536	30.4394761313	373031013	7134	56566	611	0.499544	0.499543	3.37542e-05	0	1	134	0	0	0	0	1237663234451571295	1.78457 .. 11.853	27.3271 .. 1.46998	24.0116 .. 20.0178	0.114978 .. 0.0749689	0.260662 .. 0.0747855
000107.52+002625.6	0.281357161915	0.440462315429	107727460	4216	55477	804	0.517	0.516782	8.93751e-05	0	1	0	68719476736	0	0	0	1237663277927891418	0.87537 .. 6.88808	28.6253 .. 1.71888	24.9493 .. 20.4644	0.220803 .. 0.117545	0.140934 .. 0.0404347

Are these new?¶

mt = (boss_dr12['PLATE'] == 7134) & (boss_dr12['FIBERID'] == 611)
np.sum(mt)

Grab the spectra¶

# List for bulk download
pmf = boss_sup[['PLATE','MJD','FIBERID']]
pmf.write('pmf_12sup.ascii', format='ascii')
#  Had to then strip the first line

wget¶

Used this website: http://dr12.sdss3.org/bulkSpectra

wget -i boss_12sup.wget

Bad QSOs¶

http://data.sdss3.org/sas/dr12/boss/qso/DR12Q/DR12Q_supbad.fits

As described here https://data.sdss.org/datamodel/files/BOSS_QSO/DR12Q/DR12Q_sup.html

# Read
boss_supbad = Table.read(os.getenv('RAW_IGMSPEC')+'/BOSS/DR12Q_supbad.fits.gz')

WARNING: UnitsWarning: '-' did not parse as fits unit: Invalid character at col 0 [astropy.units.core]
WARNING: UnitsWarning: 'nanomaggies' did not parse as fits unit: At col 0, Unit 'nanomaggies' not supported by the FITS standard.  [astropy.units.core]

boss_supbad[0:5]

SDSS_NAME	RA	DEC	THING_ID	PLATE	MJD	FIBERID	Z_VI	Z_PIPE	ERR_ZPIPE	ZWARNING	SDSS_MORPHO	BOSS_TARGET1	ANCILLARY_TARGET1	ANCILLARY_TARGET2	EBOSS_TARGET0	BAL_FLAG_VI	OBJ_ID	PSFFLUX [5]	IVAR_PSFFLUX [5]	PSFMAG [5]	ERR_PSFMAG [5]	EXTINCTION [5]
-	deg	deg	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	nanomaggies	-	-	-	-
str18	float64	float64	int32	int32	int32	int32	float64	float64	float64	int32	int32	int64	int64	int64	int64	int32	str1	float64	float64	float64	float64	float64
000007.58+002943.2	0.0316202501735	0.495352427337	107544857	3579	55156	526	2.254	-1.0	-1.0	-1	-1	212992	0	8	0	0	-	4.642229 .. 10.624799	14.9521355341 .. 1.21605179476	20.8331835993 .. 19.934198193	0.0588600934875 .. 0.088924470481	-1.0 .. -1.0
000031.86+010305.2	0.13278002	1.051468	122289751	3579	55156	548	1.093	-1.0	-1.0	-1	-1	219136	0	0	0	0	-	7.5559435 .. 15.909699	5.2021329217 .. 0.384375227386	20.3042782455 .. 19.495845092	0.0612405683737 .. 0.104844818233	-1.0 .. -1.0
000046.69+010951.2	0.19454298	1.1642317	122100129	3579	55156	546	4.248	-1.0	-1.0	-1	-1	197632	536870912	0	0	0	-	0.2220063 .. 2.2459931	19.3163281686 .. 1.39079065695	24.1340867529 .. 21.6214789557	0.765997462035 .. 0.347758989747	-1.0 .. -1.0
000058.35+002528.2	0.24312808729	0.424511482186	107540212	3579	55156	566	0.864	-1.0	-1.0	-1	-1	217088	0	0	0	0	-	2.4312067 .. 6.6052165	21.9473847961 .. 1.70871590958	21.5354452902 .. 20.4502823572	0.0913710645505 .. 0.11898391364	-1.0 .. -1.0
000119.36+010524.7	0.330699829376	1.09021810727	122099513	3579	55156	588	2.305	-1.0	-1.0	-1	-1	20480	68719476736	0	0	0	-	2.0136375 .. 5.677794	16.4324544832 .. 0.661345103074	21.7400467738 .. 20.6145509212	0.125474441775 .. 0.212846317686	-1.0 .. -1.0

Are these new?¶

mt = (boss_dr12['PLATE'] == 3579) & (boss_dr12['FIBERID'] == 526)
np.sum(mt)

Grab the spectra¶

Grabbed from the website directly:

http://data.sdss3.org/sas/dr12/boss/qso/DR12Q/spec_supbad.tar.gz

Stack¶

boss_meta = vstack([boss_dr12, boss_sup, boss_supbad], join_type='outer')

WARNING: MergeConflictWarning: Cannot merge meta key 'EXTNAME' types <type 'str'> and <type 'str'>, choosing EXTNAME='DR12Q_supbad_v2_6.fits' [astropy.utils.metadata]
WARNING: MergeConflictWarning: Cannot merge meta key 'DATE-HDU' types <type 'str'> and <type 'str'>, choosing DATE-HDU='2014-10-28T20:22:26' [astropy.utils.metadata]

boss_meta[-10:]

SDSS_NAME	RA	DEC	THING_ID	PLATE	MJD	FIBERID	Z_VI	Z_PIPE	ERR_ZPIPE	ZWARNING	Z_PCA	ERR_ZPCA	PCA_QUAL	Z_CIV	Z_CIII	Z_MGII	SDSS_MORPHO	BOSS_TARGET1	ANCILLARY_TARGET1	ANCILLARY_TARGET2	EBOSS_TARGET0	NSPEC_BOSS	PLATE_DUPLICATE [32]	MJD_DUPLICATE [32]	FIBERID_DUPLICATE [32]	SDSS_DR7	PLATE_DR7	MJD_DR7	FIBERID_DR7	UNIFORM	ALPHA_NU	SNR_SPEC	SNR_DUPLICATE [32]	SNR_1700	SNR_3000	SNR_5150	FWHM_CIV	BHWHM_CIV	RHWHM_CIV	AMP_CIV	REWE_CIV	ERR_REWE_CIV	FWHM_CIII	BHWHM_CIII	RHWHM_CIII	AMP_CIII	REWE_CIII	ERR_REWE_CIII	FWHM_MGII	BHWHM_MGII	RHWHM_MGII	AMP_MGII	REWE_MGII	ERR_REWE_MGII	BAL_FLAG_VI	BI_CIV	ERR_BI_CIV	AI_CIV	ERR_AI_CIV	CHI2TROUGH	NCIV_2000	VMIN_CIV_2000	VMAX_CIV_2000	NCIV_450	VMIN_CIV_450	VMAX_CIV_450	REW_SIIV	REW_CIV	REW_ALIII	RUN_NUMBER	PHOTO_MJD	RERUN_NUMBER	COL_NUMBER	FIELD_NUMBER	OBJ_ID	PSFFLUX [5]	IVAR_PSFFLUX [5]	PSFMAG [5]	ERR_PSFMAG [5]	TARGET_FLUX [5]	MI	DGMI	EXTINCTION [5]	EXTINCTION_RECAL [5]	HI_GAL	VAR_MATCHED	VAR_CHI2	VAR_A	VAR_GAMMA	RASS_COUNTS	RASS_COUNTS_SNR	SDSS2ROSAT_SEP	N_DETECTION_XMM	FLUX02_12KEV_SGL	ERR_FLUX02_12KEV_SGL	FLUX02_2KEV	ERR_FLUX02_2KEV	FLUX2_12KEV	ERR_FLUX2_12KEV	FLUX02_12KEV	ERR_FLUX02_12KEV	LUM02_2KEV_SGL	LUM05_2KEV	LUM2_12KEV	LUM02_2KEV	LUMX2_10_UPPER	SDSS2XMM_SEP	GALEX_MATCHED	FUV	FUV_IVAR	NUV	NUV_IVAR	JMAG	ERR_JMAG	JSNR	JRDFLAG	HMAG	ERR_HMAG	HSNR	HRDFLAG	KMAG	ERR_KMAG	KSNR	KRDFLAG	SDSS2MASS_SEP	W1MAG	ERR_W1MAG	W1SNR	W1CHI2	W2MAG	ERR_W2MAG	W2SNR	W2CHI2	W3MAG	ERR_W3MAG	W3SNR	W3CHI2	W4MAG	ERR_W4MAG	W4SNR	W4CHI2	CC_FLAGS	PH_FLAG	SDSS2WISE_SEP	UKIDSS_MATCHED	YFLUX	YFLUX_ERR	JFLUX	JFLUX_ERR	HFLUX	HFLUX_ERR	KFLUX	KFLUX_ERR	FIRST_MATCHED	FIRST_FLUX	FIRST_SNR	SDSS2FIRST_SEP
-	deg	deg	-	-	-	-	-	-	-	-							-	-	-	-	-																																		-																				-	nanomaggies	-	-	-				-
str18	float64	float64	int32	int32	int32	int32	float64	float64	float64	int32	float64	float64	float64	float64	float64	float64	int32	int64	int64	int64	int64	int32	int32	int32	int32	int32	int32	int32	int32	int16	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	int32	float64	float64	float64	float64	float64	int32	float64	float64	int32	float64	float64	float64	float64	float64	int16	int32	str3	int16	int16	str19	float64	float64	float64	float64	float64	float64	float64	float64	float32	float64	int16	float64	float64	float64	float64	float64	float64	int16	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	int16	float64	int16	float64	float64	float64	float64	float64	float64	float64	int32	float64	float64	float64	int32	float64	float64	float64	int32	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	str4	str4	float64	int16	float32	float32	float32	float32	float32	float32	float32	float32	int16	float64	float64	float64
230347.27+011011.7	345.94698	1.169929	123067307	3564	55146	708	1.133	-1.0	-1.0	-1	--	--	--	--	--	--	-1	5120	0	0	0	--	-- .. --	-- .. --	-- .. --	--	--	--	--	--	--	--	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	0	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	-	8.683229 .. 11.941104	8.80785300705 .. 1.7332649897	20.1532968633 .. 19.807388798	0.0413347074024 .. 0.0669556770567	-- .. --	--	--	-1.0 .. -1.0	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
230400.66+004357.9	346.002777736	0.732774210243	112426843	3564	55146	720	0.754	-1.0	-1.0	-1	--	--	--	--	--	--	-1	137216	0	0	0	--	-- .. --	-- .. --	-- .. --	--	--	--	--	--	--	--	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	0	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	-	2.5841134 .. 8.967807	16.2568670805 .. 1.40317289619	21.4692210797 .. 20.1182843674	0.0995042208842 .. 0.0976787882898	-- .. --	--	--	-1.0 .. -1.0	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
230418.88+010031.5	346.078673317	1.00875530687	117023495	3564	55146	758	1.085	-1.0	-1.0	-1	--	--	--	--	--	--	-1	214016	0	0	0	--	-- .. --	-- .. --	-- .. --	--	--	--	--	--	--	--	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	0	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	-	2.8848875 .. 10.61381	17.7033431581 .. 0.961168215845	21.3496777952 .. 19.9353217276	0.0859535236572 .. 0.0996266724508	-- .. --	--	--	-1.0 .. -1.0	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
230430.76+002639.9	346.128204179	0.444441228138	107888217	3564	55146	762	0.881	-1.0	-1.0	-1	--	--	--	--	--	--	-1	219136	0	0	0	--	-- .. --	-- .. --	-- .. --	--	--	--	--	--	--	--	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	0	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	-	2.8017366 .. 6.183736	23.5941683202 .. 1.65992482815	21.3814317413 .. 20.5218726497	0.076985101214 .. 0.128380788528	-- .. --	--	--	-1.0 .. -1.0	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
230512.31+011127.4	346.301302875	1.19096111962	123096028	3564	55146	788	2.177	-1.0	-1.0	-1	--	--	--	--	--	--	-1	151552	0	0	0	--	-- .. --	-- .. --	-- .. --	--	--	--	--	--	--	--	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	0	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	-	2.6791377 .. 7.47316	16.1923604984 .. 1.71243779052	21.4300124108 .. 20.3162392986	0.0963096695282 .. 0.10570606694	-- .. --	--	--	-1.0 .. -1.0	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
230632.06+004611.7	346.63359	0.76994402	112437454	3564	55146	878	0.571	-1.0	-1.0	-1	--	--	--	--	--	--	-1	198656	0	0	0	--	-- .. --	-- .. --	-- .. --	--	--	--	--	--	--	--	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	0	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	-	11.915462 .. 20.222652	7.50866994735 .. 1.07067822317	19.8097227851 .. 19.235404729	0.0327540232955 .. 0.0506850959586	-- .. --	--	--	-1.0 .. -1.0	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
230649.36+010400.8	346.70567	1.066916	121300400	3564	55146	872	1.23	-1.0	-1.0	-1	--	--	--	--	--	--	-1	20480	0	0	0	--	-- .. --	-- .. --	-- .. --	--	--	--	--	--	--	--	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	0	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	-	21.713095 .. 40.89976	3.27599264877 .. 0.617755242802	19.1581956687 .. 18.4706981011	0.0272811996246 .. 0.0332603103276	-- .. --	--	--	-1.0 .. -1.0	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
230739.58+005508.2	346.914955986	0.918963169628	117008423	3564	55146	954	2.175	-1.0	-1.0	-1	--	--	--	--	--	--	-1	67584	0	0	0	--	-- .. --	-- .. --	-- .. --	--	--	--	--	--	--	--	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	1	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	-	2.8842034 .. 20.084888	16.5503410957 .. 0.917213042069	21.3499352888 .. 19.2428264642	0.0888001877071 .. 0.0550260213407	-- .. --	--	--	-1.0 .. -1.0	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
235814.49+000615.0	359.560376993	0.104167978374	96665251	3579	55156	514	2.464	-1.0	-1.0	-1	--	--	--	--	--	--	-1	151552	0	0	0	--	-- .. --	-- .. --	-- .. --	--	--	--	--	--	--	--	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	0	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	-	1.3839571 .. 3.7476451	29.8771887071 .. 1.86487202777	22.1471934299 .. 21.0656038582	0.134800885816 .. 0.193780050211	-- .. --	--	--	-1.0 .. -1.0	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
235948.09+001229.5	359.950393564	0.208213386828	96839997	3579	55156	534	2.058	-1.0	-1.0	-1	--	--	--	--	--	--	-1	218112	0	0	0	--	-- .. --	-- .. --	-- .. --	--	--	--	--	--	--	--	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	0	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	-	10.828461 .. 19.072935	2.11206294195 .. 1.20174252051	19.9135831582 .. 19.2989561782	0.0668894441314 .. 0.0507243752345	-- .. --	--	--	-1.0 .. -1.0	-- .. --	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

DR12 spectra¶

hdu = fits.open(os.getenv('RAW_IGMSPEC')+'/BOSS/DR12_ALLQSO_SPEC_106_flux_nointerp.fits.gz')

---------------------------------------------------------------------------

KeyboardInterrupt                         Traceback (most recent call last)

<ipython-input-21-ae9ca68911bf> in <module>()
----> 1 hdu = fits.open(os.getenv('RAW_IGMSPEC')+'/BOSS/DR12_ALLQSO_SPEC_106_flux_nointerp.fits.gz')


/Users/xavier/anaconda/lib/python2.7/site-packages/astropy/io/fits/hdu/hdulist.pyc in fitsopen(name, mode, memmap, save_backup, cache, **kwargs)
    136         raise ValueError('Empty filename: %s' % repr(name))
    137
--> 138     return HDUList.fromfile(name, mode, memmap, save_backup, cache, **kwargs)
    139
    140


/Users/xavier/anaconda/lib/python2.7/site-packages/astropy/io/fits/hdu/hdulist.pyc in fromfile(cls, fileobj, mode, memmap, save_backup, cache, **kwargs)
    278
    279         return cls._readfrom(fileobj=fileobj, mode=mode, memmap=memmap,
--> 280                              save_backup=save_backup, cache=cache, **kwargs)
    281
    282     @classmethod


/Users/xavier/anaconda/lib/python2.7/site-packages/astropy/io/fits/hdu/hdulist.pyc in _readfrom(cls, fileobj, data, mode, memmap, save_backup, cache, **kwargs)
    836
    837                         try:
--> 838                             hdu = _BaseHDU.readfrom(ffo, **kwargs)
    839                         except EOFError:
    840                             break


/Users/xavier/anaconda/lib/python2.7/site-packages/astropy/io/fits/hdu/base.pyc in readfrom(cls, fileobj, checksum, ignore_missing_end, **kwargs)
    421         hdu = cls._readfrom_internal(fileobj, checksum=checksum,
    422                                      ignore_missing_end=ignore_missing_end,
--> 423                                      **kwargs)
    424
    425         # If the checksum had to be checked the data may have already been read


/Users/xavier/anaconda/lib/python2.7/site-packages/astropy/io/fits/hdu/base.pyc in _readfrom_internal(cls, data, header, checksum, ignore_missing_end, **kwargs)
    481             if header is None:
    482                 header_offset = data.tell()
--> 483                 header = Header.fromfile(data, endcard=not ignore_missing_end)
    484             hdu_fileobj = data
    485             data_offset = data.tell()  # *after* reading the header


/Users/xavier/anaconda/lib/python2.7/site-packages/astropy/io/fits/header.pyc in fromfile(cls, fileobj, sep, endcard, padding)
    458
    459             return cls._from_blocks(block_iter, is_binary, sep, endcard,
--> 460                                     padding)[1]
    461         finally:
    462             if close_file:


/Users/xavier/anaconda/lib/python2.7/site-packages/astropy/io/fits/header.pyc in _from_blocks(cls, block_iter, is_binary, sep, endcard, padding)
    504         while True:
    505             # find the END card
--> 506             end_found, block = cls._find_end_card(block, clen)
    507
    508             read_blocks.append(decode_ascii(block))


/Users/xavier/anaconda/lib/python2.7/site-packages/astropy/io/fits/header.pyc in _find_end_card(cls, block, card_len)
    571         """
    572
--> 573         for mo in HEADER_END_RE.finditer(block):
    574             # Ensure the END card was found, and it started on the
    575             # boundary of a new card (see ticket #142)


KeyboardInterrupt:

hdu.info()

KG file¶

kg_file = os.getenv('RAW_IGMSPEC')+'/BOSS/BOSSLyaDR12_spectra_v1.0/6981/speclya-6981-56443-0988.fits.gz'

hdu = fits.open(kg_file)

hdu.info()

Filename: /raid/Raw_IGMspec//BOSS/BOSSLyaDR12_spectra_v1.0/6981/speclya-6981-56443-0988.fits.gz
No.    Name         Type      Cards   Dimensions   Format
  PRIMARY     PrimaryHDU     121   ()
  COADD       BinTableHDU     49   4573R x 12C   [E, E, E, J, J, E, E, E, J, E, E, E]
  SPALL       BinTableHDU    483   1R x 232C    [27A, 14A, 4A, E, E, J, J, E, J, E, E, E, K, K, K, K, K, B, B, J, I, 5E, 5E, J, J, J, J, 6A, 6A, 16A, D, D, 6A, 21A, E, E, E, J, E, 24A, 10J, J, 10E, E, E, E, E, E, E, J, E, E, E, J, 5E, E, E, 10E, 10E, 10E, 5E, 5E, 5E, 5E, 5E, J, J, E, E, E, E, E, E, 16A, 9A, 12A, E, E, E, E, E, E, E, E, J, E, E, J, J, 6A, 21A, E, 35E, K, 19A, 19A, 19A, B, B, B, I, 3A, B, I, I, I, I, J, E, J, J, E, E, E, E, E, E, E, E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5J, 5J, 5J, 5E, 5J, 75E, 75E, 5E, 5E, 5E, 5J, 5E, D, D, D, D, D, D, D, D, D, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 5E, 40E, 40E, 5J, 5J, 5E, 5E, 5D, J, J, J, J, J, J, J, E]
  SPZLINE     BinTableHDU     57   31R x 19C    [J, J, J, 13A, D, E, E, E, E, E, E, E, E, E, E, J, J, E, E]
  DLA_LIST    BinTableHDU     22   1R x 2C      [E, E]

tbl1 = Table(hdu[1].data)

tbl1

FLUX	LOGLAM	IVAR	AND_MASK	OR_MASK	WDISP	SKY	MODEL	MASK_COMB	DLA_CORR	NOISE_CORR	CONT
float32	float32	float32	int32	int32	float32	float32	float32	int32	float32	float32	float32
-0.294479	3.558	0.0357123	0	0	1.66066	3.57509	2.86019	0	1.0	1.0	2.18591
-1.67659	3.5581	0.0367515	0	0	1.66048	4.65237	2.72961	0	1.0	1.0	2.18358
7.52545	3.5582	0.041008	0	0	1.66031	5.30107	2.74509	0	1.0	1.0	2.18217
-4.92432	3.5583	0.0475623	0	0	1.66013	5.70066	2.9051	0	1.0	1.0	2.18105
2.78489	3.5584	0.0547794	0	0	1.65995	5.82691	3.10513	0	1.0	1.0	2.17984
0.645774	3.5585	0.0535421	0	0	1.65977	5.85475	3.20858	0	1.0	1.0	2.17859
4.26268	3.5586	0.0609553	0	0	1.65959	5.38368	3.13573	0	1.0	1.0	2.1767
7.56473	3.5587	0.0644704	0	0	1.65941	5.30146	3.05986	0	1.0	1.0	2.17463
-7.90701	3.5588	0.0773656	0	0	1.65923	5.1609	3.04018	0	1.0	1.0	2.17295
4.41622	3.5589	0.0740903	0	0	1.65905	4.86207	3.04373	0	1.0	1.0	2.17134
...	...	...	...	...	...	...	...	...	...	...	...
0.964626	4.0143	0.139246	0	0	0.775756	2.36489	0.91325	0	1.0	1.0	0.0
4.70043	4.0144	0.0977304	0	0	0.776321	2.4629	0.852872	0	1.0	1.0	0.0
2.84456	4.0145	0.11598	0	0	0.776889	5.13939	0.776967	0	1.0	1.0	0.0
0.0538563	4.0146	0.0854379	0	0	0.777459	13.7475	0.829695	0	1.0	1.0	0.0
7.83924	4.0147	0.0830807	0	0	0.77803	12.3927	0.772205	4	1.0	1.0	0.0
1.2464	4.0148	0.0807676	0	8388608	0.778603	23.0938	0.81816	4	1.0	1.0	0.0
-0.160277	4.0149	0.0367136	0	8388608	0.779175	77.228	0.960251	4	1.0	1.0	0.0
-6.52936	4.015	0.0379142	0	8388608	0.779761	60.5575	0.944386	4	1.0	1.0	0.0
-2.51877	4.0151	0.0815495	0	0	0.780345	18.4151	0.84692	4	1.0	1.0	0.0
7.41593	4.0152	0.0681115	0	0	0.780924	21.2173	0.964207	0	1.0	1.0	0.0

%matplotlib notebook

xdb.xplot(10**tbl1['LOGLAM'], tbl1['FLUX'], tbl1['CONT'])

<IPython.core.display.Javascript object>

tmp= hdu[1].data

tmp['FLUX']

array([-0.29447865, -1.67659271,  7.52545166, ..., -6.52935886,
       -2.51877236,  7.41593266], dtype=float32)

Debug¶

boss_file = dpath + 'DR12Q.fits.gz'
boss_hdu = fits.open(boss_file)

boss_dr12 = Table(boss_hdu[1].data)
boss_dr12[0:5]

SDSS_NAME	RA	DEC	THING_ID	PLATE	MJD	FIBERID	Z_VI	Z_PIPE	ERR_ZPIPE	ZWARNING	Z_PCA	ERR_ZPCA	PCA_QUAL	Z_CIV	Z_CIII	Z_MGII	SDSS_MORPHO	BOSS_TARGET1	ANCILLARY_TARGET1	ANCILLARY_TARGET2	EBOSS_TARGET0	NSPEC_BOSS	PLATE_DUPLICATE [32]	MJD_DUPLICATE [32]	FIBERID_DUPLICATE [32]	SDSS_DR7	PLATE_DR7	MJD_DR7	FIBERID_DR7	UNIFORM	ALPHA_NU	SNR_SPEC	SNR_DUPLICATE [32]	SNR_1700	SNR_3000	SNR_5150	FWHM_CIV	BHWHM_CIV	RHWHM_CIV	AMP_CIV	REWE_CIV	ERR_REWE_CIV	FWHM_CIII	BHWHM_CIII	RHWHM_CIII	AMP_CIII	REWE_CIII	ERR_REWE_CIII	FWHM_MGII	BHWHM_MGII	RHWHM_MGII	AMP_MGII	REWE_MGII	ERR_REWE_MGII	BAL_FLAG_VI	BI_CIV	ERR_BI_CIV	AI_CIV	ERR_AI_CIV	CHI2TROUGH	NCIV_2000	VMIN_CIV_2000	VMAX_CIV_2000	NCIV_450	VMIN_CIV_450	VMAX_CIV_450	REW_SIIV	REW_CIV	REW_ALIII	RUN_NUMBER	PHOTO_MJD	RERUN_NUMBER	COL_NUMBER	FIELD_NUMBER	OBJ_ID	PSFFLUX [5]	IVAR_PSFFLUX [5]	PSFMAG [5]	ERR_PSFMAG [5]	TARGET_FLUX [5]	MI	DGMI	EXTINCTION [5]	EXTINCTION_RECAL [5]	HI_GAL	VAR_MATCHED	VAR_CHI2	VAR_A	VAR_GAMMA	RASS_COUNTS	RASS_COUNTS_SNR	SDSS2ROSAT_SEP	N_DETECTION_XMM	FLUX02_12KEV_SGL	ERR_FLUX02_12KEV_SGL	FLUX02_2KEV	ERR_FLUX02_2KEV	FLUX2_12KEV	ERR_FLUX2_12KEV	FLUX02_12KEV	ERR_FLUX02_12KEV	LUM02_2KEV_SGL	LUM05_2KEV	LUM2_12KEV	LUM02_2KEV	LUMX2_10_UPPER	SDSS2XMM_SEP	GALEX_MATCHED	FUV	FUV_IVAR	NUV	NUV_IVAR	JMAG	ERR_JMAG	JSNR	JRDFLAG	HMAG	ERR_HMAG	HSNR	HRDFLAG	KMAG	ERR_KMAG	KSNR	KRDFLAG	SDSS2MASS_SEP	W1MAG	ERR_W1MAG	W1SNR	W1CHI2	W2MAG	ERR_W2MAG	W2SNR	W2CHI2	W3MAG	ERR_W3MAG	W3SNR	W3CHI2	W4MAG	ERR_W4MAG	W4SNR	W4CHI2	CC_FLAGS	PH_FLAG	SDSS2WISE_SEP	UKIDSS_MATCHED	YFLUX	YFLUX_ERR	JFLUX	JFLUX_ERR	HFLUX	HFLUX_ERR	KFLUX	KFLUX_ERR	FIRST_MATCHED	FIRST_FLUX	FIRST_SNR	SDSS2FIRST_SEP
str18	float64	float64	int32	int32	int32	int32	float64	float32	float32	int32	float64	float64	float64	float64	float64	float64	int16	int64	int64	int64	int64	int32	int32	int32	int32	int32	int32	int32	int32	int16	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	int16	float64	float64	float64	float64	float64	int32	float64	float64	int32	float64	float64	float64	float64	float64	int16	int32	str3	int16	int16	str19	float32	float32	float32	float32	float64	float64	float64	float32	float32	float64	int16	float64	float64	float64	float64	float64	float64	int16	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	int16	float64	int16	float64	float64	float64	float64	float64	float64	float64	int32	float64	float64	float64	int32	float64	float64	float64	int32	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	str4	str4	float64	int16	float32	float32	float32	float32	float32	float32	float32	float32	int16	float64	float64	float64
000000.45+174625.4	0.00189828518376	17.7737391299	268514930	6173	56238	528	2.30909729004	2.3091	0.000943339	0	2.30763868197	-1.0	0.346182279084	2.31230791362	2.30638494927	2.3046866469	0	2199023796224	0	0	0	0	-1 .. -1	-1 .. -1	-1 .. -1	0	-1	-1	-1	0	0.537336213179	0.779484925454	-1.0 .. -1.0	0.58568293642	0.915501904005	-1.0	4278.7900341	1595.2886496	2683.5013845	2.15328741853	44.0028643812	1.40097166147	3575.00108901	1554.12165803	2020.87943097	0.706666936497	38.4285671721	15.8517240349	7996.40388327	4579.19012749	3417.21375578	0.223279535625	69.3860000703	17.8808108042	0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	7713	54741	301	4	231	1237678601842131080	1.03848 .. 2.65843	12.3597 .. 0.852828	22.4398 .. 21.3627	0.287135 .. 0.386405	1.03847694397 .. 2.65843176842	-23.882931269	-0.0820910409093	0.146195 .. 0.0419442	0.113614 .. 0.0338511	21.9297126138	0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	1	0.302318871021	8.78557314038	0.727564871311	4.53735896492	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0			0.0	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	-1	0.0	0.0	0.0
000000.66+145828.8	0.00275643009297	14.9746754937	245101352	6177	56268	595	2.49794077873	2.49794	0.00087528	0	2.5158747041	0.00152614617889	0.0637837702159	2.49650563784	2.48943398984	-1.0	0	2199023255552	0	0	0	1	6172 .. -1	56269 .. -1	366 .. -1	0	-1	-1	-1	0	-1.02687764161	3.50091459041	3.17286659113 .. -1.0	2.83518425232	1.00020946838	-1.0	5336.1138803	2014.51203621	3321.60184409	3.35973519002	23.5146308167	0.61035250618	9292.63026767	4320.17455664	4972.45571103	1.94089573578	24.2927232211	1.93123733219	-1.0	-1.0	-1.0	-1.0	-1.0	-1.0	0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	2566	52170	301	4	309	1237656495650570598	1.65166 .. 5.42985	15.6463 .. 0.836171	21.9475 .. 20.6434	0.16385 .. 0.210973	-1.0 .. -1.0	-25.2306891586	0.348158091307	0.198727 .. 0.057016	0.113059 .. 0.0336857	21.9413001969	3	3.38717365265	0.0859531164169	0.117734603584	0.0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	1	0.0463186129928	701.104283731	0.0525297634304	384.750962198	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0			0.0	1	1.86038e-31	3.14768e-32	2.31095e-31	4.56533e-32	2.35531e-31	5.97048e-32	2.42715e-31	6.52172e-32	0	0.0	0.0	0.0
000000.97+044947.2	0.00405238853989	4.82978057467	154279486	4415	55831	464	1.61884605885	1.61885	0.000585458	0	1.62861043214	0.000518233828123	0.0515782360318	-1.0	1.62392937561	1.62986379892	0	2199023910912	0	0	0	0	-1 .. -1	-1 .. -1	-1 .. -1	0	-1	-1	-1	0	-0.281249716967	7.11018367836	-1.0 .. -1.0	1.26814974223	13.8079141452	-1.0	-1.0	-1.0	-1.0	-1.0	-1.0	-1.0	5863.20521905	1992.14674007	3871.05847897	4.39195264612	26.8087449013	1.08748973709	2443.60056629	1249.45778705	1194.14277924	5.28947926376	34.7988813362	1.12838363307	0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	7754	54764	301	3	314	1237678777404358776	6.64573 .. 19.9043	7.15662 .. 0.524856	20.4432 .. 19.2511	0.0610158 .. 0.0750861	-1.0 .. -1.0	-25.6002618809	0.259628534317	0.169289 .. 0.0485699	0.0706297 .. 0.0210439	21.984099559	3	3.0460691452	0.00874528381974	1.38586497307	0.0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	1	0.349308043718	22.5872342774	1.57329285145	13.871135159	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	15.503	0.0439999997616	24.5	0.9052	13.987	0.0439999997616	24.5	0.913	10.764	0.112000003457	9.7	0.9418	8.056	0.204999998212	5.3	0.0	0000	AABB	0.2685124497	1	5.52544e-31	3.59559e-32	6.5975e-31	4.15465e-32	9.03816e-31	4.42033e-32	8.56743e-31	5.17877e-32	0	0.0	0.0	0.0
000001.27-020159.7	0.00531697386447	-2.03327328857	62145359	4354	55810	678	1.36035752296	1.36036	0.000446798	0	1.3620117334	0.000387699697741	0.067487221695	-1.0	1.36947900576	1.36228359848	0	262144	0	0	0	0	-1 .. -1	-1 .. -1	-1 .. -1	0	-1	-1	-1	0	-1.39326160087	6.19811995326	-1.0 .. -1.0	4.66697206438	8.58575755825	-1.0	-1.0	-1.0	-1.0	-1.0	-1.0	-1.0	4531.63708015	1976.86675452	2554.77032563	3.89217044527	17.4573695777	0.607354358226	3824.89894905	1722.62402033	2102.27492872	7.30968073084	46.7586890329	0.689398949182	0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	7907	54847	301	5	72	1237679435592237166	5.76685 .. 29.0579	10.6877 .. 1.00457	20.597 .. 18.8411	0.0575218 .. 0.0372313	5.32644176483 .. 29.2693309784	-25.652609646	0.69809705019	0.196977 .. 0.0565138	0.0771557 .. 0.0229884	22.0697143353	0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	1	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	14.888	0.0340000018477	32.0	1.105	13.519	0.035000000149	31.3	0.9211	10.444	0.0879999995232	12.3	0.9571	8.145	0.259000003338	4.2	0.0	0000	AAAB	0.0921563131389	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	1	1.25999999046	7.04838902393	0.571058551544
000001.37-011930.0	0.00574621499496	-1.32500879187	66692618	4354	55810	646	2.328	2.33265	0.000195919	0	2.33456479681	0.000783532473742	0.058201189098	2.33222960501	2.33543504867	2.32301056885	0	16492675088384	0	0	0	0	-1 .. -1	-1 .. -1	-1 .. -1	0	-1	-1	-1	1	-0.802773699467	8.25765994227	-1.0 .. -1.0	9.81237592517	1.86024098217	-1.0	3370.41645343	1261.09690868	2109.31954474	13.3699896223	38.2695338052	1.4695270759	2542.7639249	1280.2187011	1262.5452238	4.71637626275	24.20951005	1.61833256374	4449.89001366	2659.60236737	1790.28764629	0.821396719479	15.3583995907	1.55066668035	0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	7778	54769	301	6	317	1237678882094383164	5.31167 .. 11.0535	7.51421 .. 0.887166	20.6862 .. 19.8864	0.0744644 .. 0.103363	5.21554374695 .. 11.9897375107	-25.7973009383	-0.0126702487469	0.226728 .. 0.0650497	0.0805806 .. 0.0240088	22.0697143353	0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	1	0.0929132923484	44.9880867706	0.22756947577	2.51742246388	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	16.72	0.103000000119	10.6	1.038	15.929	0.166999995708	6.5	0.9004	11.903	0.284999996424	3.8	0.9703	8.981	-999.999023438	-0.8	0.0	0000	ABBU	0.450937991337	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0.0

No non-zero fluxes for 6178, 281¶

mt = np.where((boss_dr12['PLATE']==6178) & (boss_dr12['FIBERID']==281))[0]
mt

array([3248])

boss_dr12[mt[0]]

SDSS_NAME	RA	DEC	THING_ID	PLATE	MJD	FIBERID	Z_VI	Z_PIPE	ERR_ZPIPE	ZWARNING	Z_PCA	ERR_ZPCA	PCA_QUAL	Z_CIV	Z_CIII	Z_MGII	SDSS_MORPHO	BOSS_TARGET1	ANCILLARY_TARGET1	ANCILLARY_TARGET2	EBOSS_TARGET0	NSPEC_BOSS	PLATE_DUPLICATE [32]	MJD_DUPLICATE [32]	FIBERID_DUPLICATE [32]	SDSS_DR7	PLATE_DR7	MJD_DR7	FIBERID_DR7	UNIFORM	ALPHA_NU	SNR_SPEC	SNR_DUPLICATE [32]	SNR_1700	SNR_3000	SNR_5150	FWHM_CIV	BHWHM_CIV	RHWHM_CIV	AMP_CIV	REWE_CIV	ERR_REWE_CIV	FWHM_CIII	BHWHM_CIII	RHWHM_CIII	AMP_CIII	REWE_CIII	ERR_REWE_CIII	FWHM_MGII	BHWHM_MGII	RHWHM_MGII	AMP_MGII	REWE_MGII	ERR_REWE_MGII	BAL_FLAG_VI	BI_CIV	ERR_BI_CIV	AI_CIV	ERR_AI_CIV	CHI2TROUGH	NCIV_2000	VMIN_CIV_2000	VMAX_CIV_2000	NCIV_450	VMIN_CIV_450	VMAX_CIV_450	REW_SIIV	REW_CIV	REW_ALIII	RUN_NUMBER	PHOTO_MJD	RERUN_NUMBER	COL_NUMBER	FIELD_NUMBER	OBJ_ID	PSFFLUX [5]	IVAR_PSFFLUX [5]	PSFMAG [5]	ERR_PSFMAG [5]	TARGET_FLUX [5]	MI	DGMI	EXTINCTION [5]	EXTINCTION_RECAL [5]	HI_GAL	VAR_MATCHED	VAR_CHI2	VAR_A	VAR_GAMMA	RASS_COUNTS	RASS_COUNTS_SNR	SDSS2ROSAT_SEP	N_DETECTION_XMM	FLUX02_12KEV_SGL	ERR_FLUX02_12KEV_SGL	FLUX02_2KEV	ERR_FLUX02_2KEV	FLUX2_12KEV	ERR_FLUX2_12KEV	FLUX02_12KEV	ERR_FLUX02_12KEV	LUM02_2KEV_SGL	LUM05_2KEV	LUM2_12KEV	LUM02_2KEV	LUMX2_10_UPPER	SDSS2XMM_SEP	GALEX_MATCHED	FUV	FUV_IVAR	NUV	NUV_IVAR	JMAG	ERR_JMAG	JSNR	JRDFLAG	HMAG	ERR_HMAG	HSNR	HRDFLAG	KMAG	ERR_KMAG	KSNR	KRDFLAG	SDSS2MASS_SEP	W1MAG	ERR_W1MAG	W1SNR	W1CHI2	W2MAG	ERR_W2MAG	W2SNR	W2CHI2	W3MAG	ERR_W3MAG	W3SNR	W3CHI2	W4MAG	ERR_W4MAG	W4SNR	W4CHI2	CC_FLAGS	PH_FLAG	SDSS2WISE_SEP	UKIDSS_MATCHED	YFLUX	YFLUX_ERR	JFLUX	JFLUX_ERR	HFLUX	HFLUX_ERR	KFLUX	KFLUX_ERR	FIRST_MATCHED	FIRST_FLUX	FIRST_SNR	SDSS2FIRST_SEP
str18	float64	float64	int32	int32	int32	int32	float64	float32	float32	int32	float64	float64	float64	float64	float64	float64	int16	int64	int64	int64	int64	int32	int32	int32	int32	int32	int32	int32	int32	int16	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	int16	float64	float64	float64	float64	float64	int32	float64	float64	int32	float64	float64	float64	float64	float64	int16	int32	str3	int16	int16	str19	float32	float32	float32	float32	float64	float64	float64	float32	float32	float64	int16	float64	float64	float64	float64	float64	float64	int16	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	int16	float64	int16	float64	float64	float64	float64	float64	float64	float64	int32	float64	float64	float64	int32	float64	float64	float64	int32	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	str4	str4	float64	int16	float32	float32	float32	float32	float32	float32	float32	float32	int16	float64	float64	float64
001115.23+144601.8	2.81348678941	14.7671681257	241707462	6178	56213	281	4.96432256699	4.96432	0.000358928	0	4.98618008401	0.0029425848199	0.049600861933	4.91878721837	-1.0	-1.0	0	4096	0	0	0	0	-1 .. -1	-1 .. -1	-1 .. -1	1	751	52251	39	0	500.0	3.7812713118	-1.0 .. -1.0	1.71010944631	-1.0	-1.0	5709.26041358	2919.80952949	2789.45088409	1.98865993315	3.54861141621	3.96743936922	-1.0	-1.0	-1.0	-1.0	-1.0	-1.0	-1.0	-1.0	-1.0	-1.0	-1.0	-1.0	0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	2566	52170	301	3	327	1237656495114879258	0.100094 .. 57.3163	20.4242 .. 0.547341	24.2544 .. 18.1041	0.80794 .. 0.025596	0.100094385445 .. 57.3163299561	-29.240404458	-1.07065343857	0.272307 .. 0.0781264	0.109449 .. 0.0326101	21.9549898177	0	0.0	0.0	0.0	0.0	0.0	0.0	1	3.22689005508e-13	9.51328029346e-15	1.277183e-13	2.2887408326e-15	1.959233e-13	8.56356984094e-14	3.22689005508e-13	9.51328029346e-15	8.6782791078e+46	5.26908901363e+46	8.6782791078e+46	3.43480885824e+46	-32768	0.108192579693	1	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	15.286	0.0390000008047	27.6	1.325	14.689	0.0590000003576	18.4	1.049	11.522	0.206000000238	5.3	0.9391	9.004	0.490999996662	2.2	0.0	0000	AABC	0.270964029381	1	1.89722e-30	3.4975e-32	2.01354e-30	4.37365e-32	2.31699e-30	6.55906e-32	2.28887e-30	6.55682e-32	1	23.9599990845	162.311991146	0.252670383565

Looks fine on the web page; z=4.964 QSO¶

Examining in IDL¶

fx = mrdfits('DR12_ALLQSO_SPEC_106_flux_nointerp.fits',1)
mt = where(fx.plate EQ 6178 and fx.fiber EQ 281)

No continuum for 4403, 0848¶

mt = np.where((boss_dr12['PLATE']==4403) & (boss_dr12['FIBERID']==848))[0]
mt

array([28885])

boss_dr12[mt[0]]

SDSS_NAME	RA	DEC	THING_ID	PLATE	MJD	FIBERID	Z_VI	Z_PIPE	ERR_ZPIPE	ZWARNING	Z_PCA	ERR_ZPCA	PCA_QUAL	Z_CIV	Z_CIII	Z_MGII	SDSS_MORPHO	BOSS_TARGET1	ANCILLARY_TARGET1	ANCILLARY_TARGET2	EBOSS_TARGET0	NSPEC_BOSS	PLATE_DUPLICATE [32]	MJD_DUPLICATE [32]	FIBERID_DUPLICATE [32]	SDSS_DR7	PLATE_DR7	MJD_DR7	FIBERID_DR7	UNIFORM	ALPHA_NU	SNR_SPEC	SNR_DUPLICATE [32]	SNR_1700	SNR_3000	SNR_5150	FWHM_CIV	BHWHM_CIV	RHWHM_CIV	AMP_CIV	REWE_CIV	ERR_REWE_CIV	FWHM_CIII	BHWHM_CIII	RHWHM_CIII	AMP_CIII	REWE_CIII	ERR_REWE_CIII	FWHM_MGII	BHWHM_MGII	RHWHM_MGII	AMP_MGII	REWE_MGII	ERR_REWE_MGII	BAL_FLAG_VI	BI_CIV	ERR_BI_CIV	AI_CIV	ERR_AI_CIV	CHI2TROUGH	NCIV_2000	VMIN_CIV_2000	VMAX_CIV_2000	NCIV_450	VMIN_CIV_450	VMAX_CIV_450	REW_SIIV	REW_CIV	REW_ALIII	RUN_NUMBER	PHOTO_MJD	RERUN_NUMBER	COL_NUMBER	FIELD_NUMBER	OBJ_ID	PSFFLUX [5]	IVAR_PSFFLUX [5]	PSFMAG [5]	ERR_PSFMAG [5]	TARGET_FLUX [5]	MI	DGMI	EXTINCTION [5]	EXTINCTION_RECAL [5]	HI_GAL	VAR_MATCHED	VAR_CHI2	VAR_A	VAR_GAMMA	RASS_COUNTS	RASS_COUNTS_SNR	SDSS2ROSAT_SEP	N_DETECTION_XMM	FLUX02_12KEV_SGL	ERR_FLUX02_12KEV_SGL	FLUX02_2KEV	ERR_FLUX02_2KEV	FLUX2_12KEV	ERR_FLUX2_12KEV	FLUX02_12KEV	ERR_FLUX02_12KEV	LUM02_2KEV_SGL	LUM05_2KEV	LUM2_12KEV	LUM02_2KEV	LUMX2_10_UPPER	SDSS2XMM_SEP	GALEX_MATCHED	FUV	FUV_IVAR	NUV	NUV_IVAR	JMAG	ERR_JMAG	JSNR	JRDFLAG	HMAG	ERR_HMAG	HSNR	HRDFLAG	KMAG	ERR_KMAG	KSNR	KRDFLAG	SDSS2MASS_SEP	W1MAG	ERR_W1MAG	W1SNR	W1CHI2	W2MAG	ERR_W2MAG	W2SNR	W2CHI2	W3MAG	ERR_W3MAG	W3SNR	W3CHI2	W4MAG	ERR_W4MAG	W4SNR	W4CHI2	CC_FLAGS	PH_FLAG	SDSS2WISE_SEP	UKIDSS_MATCHED	YFLUX	YFLUX_ERR	JFLUX	JFLUX_ERR	HFLUX	HFLUX_ERR	KFLUX	KFLUX_ERR	FIRST_MATCHED	FIRST_FLUX	FIRST_SNR	SDSS2FIRST_SEP
str18	float64	float64	int32	int32	int32	int32	float64	float32	float32	int32	float64	float64	float64	float64	float64	float64	int16	int64	int64	int64	int64	int32	int32	int32	int32	int32	int32	int32	int32	int16	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	int16	float64	float64	float64	float64	float64	int32	float64	float64	int32	float64	float64	float64	float64	float64	int16	int32	str3	int16	int16	str19	float32	float32	float32	float32	float64	float64	float64	float32	float32	float64	int16	float64	float64	float64	float64	float64	float64	int16	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	int16	float64	int16	float64	float64	float64	float64	float64	float64	float64	int32	float64	float64	float64	int32	float64	float64	float64	int32	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	float64	str4	str4	float64	int16	float32	float32	float32	float32	float32	float32	float32	float32	int16	float64	float64	float64
015303.65+063027.2	28.2652349991	6.50756261131	169873473	4403	55536	848	2.51666498184	2.51666	0.000363433	0	2.50995565979	0.000791652557205	0.121793631558	2.51343318305	2.51200554124	-1.0	0	16492674564096	0	0	0	0	-1 .. -1	-1 .. -1	-1 .. -1	0	-1	-1	-1	1	-0.602274933928	37.3127077439	-1.0 .. -1.0	36.8344391436	0.998600308035	-1.0	2716.61671023	1550.93074634	1165.68596389	5.92788176733	37.2684244751	1.56120636639	2886.7173085	1451.27577464	1435.44153387	2.19716859306	23.6776814208	4.10517507042	-1.0	-1.0	-1.0	-1.0	-1.0	-1.0	0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	5065	53353	301	3	62	1237667228220785117	1.12776 .. 3.22739	22.1526 .. 1.11203	22.3531 .. 21.1748	0.198521 .. 0.289981	1.07475423813 .. 3.32800769806	-24.6468625902	0.0729340538383	0.333949 .. 0.0958121	0.053882 .. 0.016054	21.9607442066	6	1.65636837482	0.0906365811825	-0.0690748766065	0.0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	1	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	0.0	0.0	0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0			0.0	1	4.04862e-32	3.41356e-32	6.3501e-32	5.90812e-32	1.24759e-31	5.52526e-32	1.51152e-31	6.08412e-32	0	0.0	0.0	0.0

hdu = fits.open('/raid/Raw_IGMspec//BOSS/DR12Q/spec-4403-55536-0848.fits.gz')
hdu.info()

Filename: /raid/Raw_IGMspec//BOSS/DR12Q/spec-4403-55536-0848.fits.gz
No.    Name         Type      Cards   Dimensions   Format
0    PRIMARY     PrimaryHDU       5   (4607,)      float32
1                ImageHDU         6   (4607,)      float32
2                ImageHDU         6   (4607,)      float32
3                ImageHDU         6   (4607,)      float32

hdu[3].data

array([ nan,  nan,  nan, ...,  nan,  nan,  nan], dtype=float32)

spec = lsio.readspec('/raid/Raw_IGMspec//BOSS/DR12Q/spec-4403-55536-0848.fits.gz')

spec.co

/Users/xavier/local/Python/linetools/linetools/spectra/xspectrum1d.py:422: UserWarning: This spectrum does not contain an input continuum array
  warnings.warn("This spectrum does not contain an input continuum array")

nan

Table of Contents

Table of Contents

This Page

BOSS DR12 Notes (v1.2)¶

QSOs¶

DR12 Quasar Catalog¶

Serendipitous QSOs¶

Are these new?¶

Grab the spectra¶

wget¶

Bad QSOs¶

Are these new?¶

Grab the spectra¶

Stack¶

DR12 spectra¶

KG file¶

Debug¶

No non-zero fluxes for 6178, 281¶

Looks fine on the web page; z=4.964 QSO¶

Examining in IDL¶

No continuum for 4403, 0848¶