VizieR

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The 3 columns in color are computed by VizieR, and are not part of the original data (note that the computed coordinates are computed from the positions and the proper motions given in the table)

I/353/gsc242

The Guide Star Catalog, Version 2.4.2 (GSC2.4.2) (STScI, 2020)

ReadMe+ftp

2008AJ....136..735L

Guide Star Catalogue, Version 2.4.2 (original column names in green) (3485671481 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	GSC2	RA_ICRS deg	DE_ICRS deg	objID	Epoch yr	Class	Gmag mag	OMag mag	Bjmag mag	Fpgmag mag	Epgmag mag	Npgmag mag	Umag mag	Bmag mag	Vmag mag	umag mag	gmag mag	rmag mag	imag mag	zmag mag	ymag mag	Jmag mag	Hmag mag	Ksmag mag	Zmag mag	Ymag mag	W1mag mag	W2mag mag	W3mag mag	W4mag mag	FUVmag mag	NUVmag mag	a pix	e pix	PA pix
1	0.125	17 18 20.0630712000	+27 38 20.086440000	N3IM042025	259.58359613000	+27.63891290000	1101303242025	2012.013	3										23.159	21.777	22.104	22.042	20.849

Note: SDSS is also available from http://www.sdss.org/

II/294/sdss7 The SDSS Photometric Catalog, Release 7 (Adelman-McCarthy+, 2009)
ReadMe+ftp
2009ApJS..182..543A
metaII/294/sdss7

Data Release 7 (357,175,411 primary sources, plus 96,670,822 secondary sources) (422234380 rows) (Note)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	mode	cl	SDSS	umag mag	e_ mag	gmag mag	e_ mag	rmag mag	e_ mag	imag mag	e_ mag	zmag mag	e_ mag	RA_ICRS deg	DE_ICRS deg	ObsDate yr	Q
1	0.122	17 18 20.06256	+27 38 20.1552	1	3	J171820.06+273820.1	23.115	0.659	23.043	0.211	22.341	0.158	21.888	0.175	21.135	0.428	259.583594	+27.638932	2001.3780	3
2	0.158	17 18 20.04816	+27 38 19.9752	2	3	J171820.04+273819.9	23.238	0.631	22.168	0.143	21.791	0.118	22.008	0.230	22.240	0.756	259.583534	+27.638882	2001.3947	3
3	0.337	17 18 20.02968	+27 38 20.0148	2	3	J171820.03+273820.0	23.801	1.386	22.371	0.153	21.722	0.139	21.458	0.165	22.439	1.396	259.583457	+27.638893	2004.7094	2
4	5.373	17 18 20.10312	+27 38 25.4472	2	3	J171820.10+273825.4	22.978	0.510	22.822	0.251	21.968	0.136	21.812	0.188	22.020	0.668	259.583763	+27.640402	2001.3947	3
5	5.511	17 18 20.07648	+27 38 25.6164	1	3	J171820.07+273825.6	23.420	0.792	23.147	0.218	22.246	0.137	21.961	0.175	22.086	0.796	259.583652	+27.640449	2001.3780	3
6	5.706	17 18 20.06376	+27 38 25.8180	2	3	J171820.06+273825.8	23.145	2.904	22.358	0.151	21.531	0.118	21.567	0.186	24.211	2.089	259.583599	+27.640505	2004.7094	2

Note:

II/349/ps1 The Pan-STARRS release 1 (PS1) Survey - DR1 (Chambers+, 2016)
ReadMe+ftp
2016arXiv161205560C
metaII/349/ps1

Pan-STARRS DR1 catalogue (original column names in green) (1919106885 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RAJ2000 deg	DEJ2000 deg	objID	f_objID	Qual	e_RAJ2000 (...)	e_DEJ2000 arcsec	Epoch d	Ns	Nd	gmag mag	e_ mag	gKmag mag	e_ mag	gFlags	rmag mag	e_ mag	rKmag mag	e_ mag	rFlags	imag mag	e_ mag	iKmag mag	e_ mag	iFlags	zmag mag	e_ mag	zKmag mag	e_ mag	zFlags	ymag mag	e_ mag	yKmag mag	e_ mag	yFlags
1	0.125	17 18 20.06307120	+27 38 20.0864400	259.583596130	+27.638912900	141162595835647194	436363264	52	0.0850	0.0850	55946.013043980	4	5	21.7775	0.1444	20.5720	0.1215	16892216	22.1035	0.1593	21.5732	0.2873	115000					114720	20.8491	0.1846	20.7071	0.2338	115000					16416

Note:

II/363/unwise The band-merged unWISE Catalog (Schlafly+, 2019)
ReadMe+ftp
2019ApJS..240...30S
metaII/363/unwise

The band-merged unWISE catalog (original column names in green) (2214734224 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	objID	RAJ2000 deg	DEJ2000 deg	FW1 309.05nJy	FW2 167.66nJy	e_FW1 309.05nJy	e_FW2 167.66nJy	q_W1	q_W2	fFW1	fFW2
1	5.876	17 18 20.011893	+27 38 25.96357	2602p272o0106832	259.5833829	+27.6405454	2.9205e+01	0.0000e+00	5.7543e+00	0.0000e+00	1.00000	0.00000	0.6982	0.0000

II/365/catwise

The CatWISE2020 catalog (updated version 28-Jan-2021) (Marocco+, 2021)

ReadMe+ftp

2021ApJS..253....8M

The CatWISE2020 catalog (original column names in green) (1890715640 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RA_ICRS deg	e_ arcsec	DE_ICRS deg	e_ arcsec	Name	nW1	mW1	nW2	mW2	RAPMdeg deg	e_ arcsec	DEPMdeg deg	e_ arcsec	pmRA arcsec/yr	e_ (...)	pmDE arcsec/yr	e_ (...)	snrW1pm	snrW2pm	FW1pm ct	e_ ct	FW2pm ct	e_ ct	W1mproPM mag	W2mproPM mag	pmQual	Dist arcsec	snrdELON	snrdELAT	chi2pmRA	chi2pmDE	ka	k1	k2	km	Sep arcsec	abf	WISEA
1	5.095	17 18 20.090274	+27 38 25.18575	259.5837095	0.5502	+27.6403294	0.6214	J171820.08+273825.2	2	12	0	12	259.5836914	0.5400	27.6403432	0.6017	0.02968	0.1928	-0.11944	0.2226	6.0	1.9	3.5e+01	6e+00	3.3e+01	2e+01	18.653	17.941	1N000	0.130	0.101	0.088	9.05e-01	5.47e-04	3	3	3	3		00	WISEA

Note: SDSS is also available from http://www.sdss3.org/dr9/

V/139/sdss9 The SDSS Photometric Catalog, Release 9 (Adelman-McCarthy+, 2012)
ReadMe+ftp
2012ApJS..203...21A
metaV/139/sdss9

Data Release 9 (469,053,874 primary sources plus 324,960,076 secondary sources); 2,674,200 spectroscopic targets. Data Release 9 is the first release of the spectra from the SDSS-III's Baryon Oscillation Spectroscopic Survey (BOSS). The photometric part contains the same sources as the Data Release 8, with a corrected astrometry. (794013950 rows) (Note)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	mode	q_	cl	SDSS9	Im	RA_ICRS deg	DE_ICRS deg	ObsDate yr	Q	umag mag	e_ mag	gmag mag	e_ mag	rmag mag	e_ mag	imag mag	e_ mag	zmag mag	e_ mag
1	0.178	17 18 20.04864	+27 38 19.9500	1	+	3	J171820.04+273819.9	Im	259.583536	+27.638875	2001.3947	3	23.160	0.498	22.211	0.119	21.814	0.117	22.047	0.214	22.312	0.762
2	0.361	17 18 20.02824	+27 38 19.9968	2		3	J171820.02+273820.0	Im	259.583451	+27.638888	2004.7094	3	23.794	0.769	22.700	0.150	22.091	0.142	21.822	0.159	21.904	0.685
3	5.427	17 18 20.07984	+27 38 25.5300	2		3	J171820.08+273825.5	Im	259.583666	+27.640425	2000.2612	3	23.046	0.420	22.753	0.173	22.207	0.153	21.950	0.180	21.328	0.400
4	5.507	17 18 20.07648	+27 38 25.6128	2		3	J171820.07+273825.6	Im	259.583652	+27.640448	2001.3780	3	23.585	0.707	23.139	0.214	22.230	0.135	21.944	0.165	22.197	0.739

Note:

V/147/sdss12 The SDSS Photometric Catalogue, Release 12 (Alam+, 2015)
ReadMe+ftp
2015ApJS..219...12A
metaV/147/sdss12

Data Release 12 (469,053,874 primary sources plus 324,960,094 secondary sources); 3,538,079 spectroscopic targets (original column names in green) (794013968 rows) (Note)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RA_ICRS deg	DE_ICRS deg	mode	q_	class	SDSS12	ObsDate yr	Q	umag mag	e_ mag	gmag mag	e_ mag	rmag mag	e_ mag	imag mag	e_ mag	zmag mag	e_ mag	zph	e_	<zph>
1	0.178	17 18 20.04856	+27 38 19.9509	259.583536	+27.638875	1	+	3	J171820.04+273819.9	2001.3947	3	23.160	0.498	22.211	0.119	21.814	0.117	22.047	0.214	22.312	0.762	0.2967	0.1241	0.2063
2	0.361	17 18 20.02819	+27 38 19.9977	259.583451	+27.638888	2		3	J171820.02+273819.9	2004.7095	3	23.794	0.769	22.700	0.150	22.091	0.142	21.822	0.159	21.904	0.685
3	5.427	17 18 20.07986	+27 38 25.5299	259.583666	+27.640425	2		3	J171820.07+273825.5	2000.2613	3	23.047	0.420	22.753	0.173	22.207	0.153	21.950	0.180	21.328	0.400
4	5.509	17 18 20.07648	+27 38 25.6144	259.583652	+27.640448	2		3	J171820.07+273825.6	2001.3781	3	23.585	0.707	23.139	0.214	22.230	0.135	21.944	0.165	22.197	0.739

Note:

V/154/sdss16 Sloan Digital Sky Surveys (SDSS), Release 16 (DR16) (Ahumada+, 2020)
ReadMe+ftp
2020ApJS..249....3A
metaV/154/sdss16

Data Release 16 (469,050,976 primary sources plus 325,277,739 secondary sources) (original column names in green) (1231051050 rows) (Note)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	objID	RA_ICRS deg	DE_ICRS deg	mode	class	clean	e_RA_ICRS (...)	e_DE_ICRS (...)	umag mag	gmag mag	rmag mag	imag mag	zmag mag	e_umag mag	e_gmag mag	e_rmag mag	e_imag mag	e_zmag mag	zph	e_	<zph>	Q	SDSS16	MJD d
1	0.178	17 18 20.04856	+27 38 19.9508	1237655501890716795	259.583536	+27.638875	1	3	1	0.226	0.166	23.159	22.204	21.816	22.042	22.310	0.498	0.119	0.117	0.214	0.765	0.2967	0.1241	0.2063	3	SDSS J171820.04+273819.9	52053.4064
2	0.361	17 18 20.02817	+27 38 19.9976	1237666228029949564	259.583451	+27.638888	2	3	0	0.190	0.131	23.790	22.709	22.097	21.831	21.907	0.771	0.150	0.142	0.159	0.683				3	SDSS J171820.02+273819.9	53264.1224
3	5.427	17 18 20.07985	+27 38 25.5299	1237651249914053801	259.583666	+27.640425	2	3	0	0.147	0.157	23.048	22.748	22.208	21.948	21.322	0.420	0.173	0.153	0.180	0.400				3	SDSS J171820.07+273825.5	51639.4262
4	5.509	17 18 20.07646	+27 38 25.6144	1237655374654014963	259.583652	+27.640448	2	3	0	0.106	0.112	23.590	23.137	22.234	21.945	22.195	0.705	0.214	0.135	0.165	0.741				3	SDSS J171820.07+273825.6	52047.3235
5	5.690	17 18 20.06344	+27 38 25.8023	1237666228029949563	259.583598	+27.640501	4	3	0	0.074	0.082	22.472	22.364	21.543	21.571	21.920	0.398	0.152	0.121	0.178	0.945				3	SDSS J171820.06+273825.8	53264.1224
6	5.690	17 18 20.06344	+27 38 25.8023	1237666228029949562	259.583598	+27.640501	3	3	0	0.074	0.082	22.575	22.561	21.578	21.603	21.932	0.421	0.177	0.121	0.178	0.921				3	SDSS J171820.06+273825.8	53264.1224

Note:

VII/292/south DESI Legacy Imaging Surveys DR8 photometric redshifts (Duncan, 2022)
ReadMe+ftp
2022MNRAS.512.3662D
metaVII/292/south

Legacy Surveys DR8 South Photometric Redshifts catalog (1 252 523 992 sources) (1252523992 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	id	RAJ2000 deg	DEJ2000 deg	release	brickid	objid	type	pstar	gmmcomp	zphot	e_	fclean	fqual
1	0.250	17 18 20.03771112815	+27 38 19.9862095668	8000485222000374	259.583490463034	+27.638885058213	8000	485222	374	EXP	0.536	E1	0.218	0.124	1	1
2	5.571	17 18 20.06939137344	+27 38 25.6811437428	8000485222000373	259.583622464056	+27.640466984373	8000	485222	373	EXP	0.042	E1	0.496	0.094	1	1

Target Name (resolved by Sesame) or Position:	Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)	Radius Box size