VizieR

Note: The Guide Star Catalog has been constructed to support the operational need of the Hubble Space Telescope. It contains over 25 million positions for about 19 million objects, of which more than 15 million are classified as stars. The version 1.2 is a new astrometric reduction which results in absolute position errors about 0.3-0.4 arcsec. (see GSC pages at URL http://www-gsss.stsci.edu/gsc/gsc.html)

I/254/out The HST Guide Star Catalog, Version 1.2 (Lasker+ 1996)
ReadMe+ftp
2001AJ....121.1752M
metaI/254/out

The Full Catalogue (25241730 positions) (25241730 rows)

start AladinLite

Full	GSC	RAJ2000 deg	DEJ2000 deg	PosErr arcsec	Pmag mag	e_ mag	n_	Class	Plate	Epoch yr
1	0091400684	221.87467	+11.97748	0.2	13.54	0.39	1	0	00J0	1982.300

Note: The GSC-ACT (or GSC1.3) is a recalibration of the GSC1.1, the catalogue constructed to support the operational need of the Hubble Space Telescope, with the ACT, the combination of the Astrographic Catalogue and the Tycho catalogue derived from the Hipparcos mission; see http://www.projectpluto.com/gsc_act.htm for more details about this recalibration.

I/255/out The HST Guide Star Catalog, Version GSC-ACT (Lasker+ 1996-99)
ReadMe+ftp

metaI/255/out

The GSC-ACT Full Catalogue (25241730 positions) (25241730 rows)

start AladinLite

Full	GSC	RAJ2000 deg	DEJ2000 deg	PosErr arcsec	Pmag mag	e_ mag	n_	Class	Epoch yr
1	0091400684	221.87470	+11.97752	0.2	13.54	0.39	1	0	1982.300

Note: a center (target) is required; the following constraint was added:
-c= 0.000000+90.000000

Note: The construction of the GSC-II is still in progress: this version has no proper motions, and the magnitude limits are 18.5 in F (red) and 19.5 in J (blue). The data are copyrighted, check the data use Policy.

I/271/out The GSC 2.2 Catalogue (STScI, 2001)
ReadMe+ftp

metaI/271/out

The Full GSC2.2.1 Catalogue (455851237 objects) (455851237 rows)

start AladinLite

Full	GSC2.2	RA(ICRS) deg	DE(ICRS) deg	Epoch yr	Rmag mag	e_ mag	Bjmag mag	e_ mag	Class	a pix	e
1	N01000009334	316.806159	+89.982248	1999.360	18.01	0.44	19.05	0.35	3	2.27	0.05
2	N010000010073	342.672170	+89.973004	1998.415			19.47	0.42	3	2.17	0.23
3	N11000008164	220.852246	+89.975557	1998.415			19.28	0.38	3	2.22	0.22
4	N11000008166	191.531732	+89.974505	1999.360	15.28	0.43	17.43	0.33	0	3.43	0.06
5	N11000008165	197.389693	+89.976939	1999.360	18.10	0.44	19.01	0.36	3	2.54	0.10
6	N210000010809	110.030652	+89.968828	1998.415			19.26	0.37	0	1.65	0.13
7	N31000004417	039.265125	+89.976797	1999.360	18.35	0.44	19.31	0.38	3	2.32	0.10
8	N31000004421	079.155000	+89.972403	1999.360	17.52	0.43	18.79	0.34	3	2.59	0.07
9	N31000004416	010.537461	+89.977082	1999.360	16.73	0.43	18.40	0.33	0	2.97	0.10

Note: a center (target) is required; the following constraint was added:
-c= 0.000000+90.000000

Note: This version of the GSC-II has no proper motions, but the limits on brightness which existed on GSC2.2 (F<18.5, B_j<19.5) were removed.

I/305/out The Guide Star Catalog, Version 2.3.2 (GSC2.3) (STScI, 2006)
ReadMe+ftp
2008AJ....136..735L
metaI/305/out

The Full GSC2.3.2 Catalogue (945592683 objects) (945592683 rows)

start AladinLite

Full	GSC2.3	RAJ2000 deg	DEJ2000 deg	Epoch yr	Fmag mag	jmag mag	Nmag mag	Class	a pix	e
1	NC1S000449	044.996065	+00.005657	1989.970	17.30	18.32	16.80	0	2.61	0.05
2	NB9C000449	044.995970	+00.005692	1997.890	17.30	19.96	16.78	0	2.76	0.14
3	NC1S000448	045.004730	+00.019889	1997.890	13.57	15.05	12.97	0	5.73	0.24
4	NC1S005735	045.002734	+00.034983	1989.970	20.05			3	1.44	0.10
5	NC1S005736	044.995005	+00.038206	1997.890	19.96		17.77	3	1.41	0.35
6	NC1S005737	044.991902	+00.040858	1989.970	19.57		18.56	3	2.45	0.29
7	NB9C000448	044.963874	+00.043645	1989.970	17.84	19.40	17.13	0	2.60	0.18
8	NC1S005739	044.974000	+00.052452	1989.970	19.32			3	1.99	0.08
9	NC1S009436	045.002972	+00.041216	1996.803			18.34	0	1.45	0.14
10	NC1S005740	045.007655	+00.056573	1989.970	20.40			3	1.47	0.39
11	NC1S005741	045.013550	+00.060714	1989.970	20.04			0	1.36	0.19
12	NC1S000450	044.997795	+00.063191	1989.970	19.61	21.54		3	2.16	0.28
13	NC1S000451	044.998295	+00.066422	1989.970	19.06	20.13		0	2.21	0.21
14	NC1S005743	045.001375	+00.066548	1989.970	19.93			3	1.80	0.24
15	N9VK000468	045.048255	+00.048375	1997.890	14.59	16.04	14.11	0	4.46	0.15
16	NC1S005738	045.030305	+00.051447	1989.970	20.39			3	1.47	0.39
17	N9VK003721	045.052562	+00.073981	1989.970	19.52			3	1.98	0.27
18	NC1S000452	045.023563	+00.068519	1989.970	16.16	17.88	15.64	0	3.00	0.06
19	NC1S005745	045.042593	+00.074552	1989.970	20.46			3	2.11	0.69
20	NC1S000457	045.026739	+00.081699	1989.970	18.94	21.69	18.33	3	2.34	0.20
21	NC1S005747	045.015375	+00.085576	1989.970	19.97			3	1.87	0.28
22	NC1S011123	045.047328	+00.084330	1990.779			17.96	0	1.64	0.38
23	NC1S005748	045.039148	+00.086915	1989.970	19.82		18.34	3	1.96	0.42
24	NC1S005750	045.027753	+00.094207	1989.970	19.95			3	2.25	0.50
25	NB9C000460	044.966528	+00.046365	1989.970	18.84	20.69	18.39	0	2.36	0.28
26	NB9C004037	044.955344	+00.054222	1989.970	19.24			3	2.31	0.11
27	NC1S000454	044.959085	+00.071281	1992.750		21.56		3	2.29	0.32
28	NC1S005744	044.992336	+00.073814	1989.970	19.84			3	1.62	0.09
29	NC1S000455	044.993283	+00.076388	1989.970	15.83	16.95	15.50	0	2.96	0.01
30	NC1S000453	044.984135	+00.071415	1989.970	19.89	21.69		3	1.95	0.33
31	NC1S005746	044.990168	+00.077255	1989.970	19.37			3	2.49	0.30
32	NC1S000456	044.961050	+00.077128	1989.970	18.89	20.67		3	2.77	0.34
33	NC1S000459	044.969105	+00.084441	1989.970	17.42	18.87	16.88	0	2.52	0.02
34	NC1S000462	044.970697	+00.085992	1989.970	19.74	20.57		3	1.81	0.20
35	NC1S000463	044.978482	+00.092574	1989.970	18.29	20.13	17.50	0	2.27	0.07
36	NB9C000523	044.932783	+00.064923	1989.970	18.13	21.08	17.02	0	2.43	0.14
37	NB9C010339	044.946455	+00.068479	1982.940		20.04		3	2.10	0.57
38	NB9C007130	044.947853	+00.069344	1982.940		21.29		3	1.04	0.35
39	NB9C010340	044.948369	+00.069571	1982.940		21.74		3	1.20	0.47
40	NB9C000568	044.931873	+00.077228	1989.970	17.97	18.90	18.26	3	4.07	0.43
41	NB9C000602	044.931530	+00.088953	1992.750		21.06		0	2.42	0.61
42	NC1S000460	044.952605	+00.084945	1989.970	18.94	19.99	18.72	3	1.88	0.06
43	NC1S000458	044.948426	+00.083096	1989.970	19.66	21.89		3	1.72	0.06
44	NC1S000466	044.951108	+00.105232	1989.970	17.85	20.44	16.48	0	2.54	0.10
45	NC1S000461	044.995950	+00.085035	1989.970	15.75	16.72	15.59	0	3.22	0.07
46	NC1S005749	045.003017	+00.088376	1989.970	20.32			3	1.43	0.38
47	NC1S009437	045.013735	+00.087878	1996.803			18.09	3	1.79	0.01
48	NC1S005752	045.010371	+00.095502	1989.970	20.28			3	1.47	0.38
49	NC1S000464	044.983102	+00.096512	1989.970	18.95	21.16	17.01	0	2.12	0.18
50	NC1S000465	045.004983	+00.102113	1989.970	18.75	21.37	17.62	0	2.17	0.06

Result truncated to 50 rows

Note: a center (target) is required; the following constraint was added:
-c= 0.000000+90.000000

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)

start AladinLite

Full	GSC2	RA_ICRS deg	DE_ICRS deg	objID	Epoch yr	Class	Bjmag mag	Fpgmag mag	umag mag	gmag mag	rmag mag	imag mag	zmag mag	ymag mag	Jmag mag	Hmag mag	Ksmag mag	W1mag mag	W2mag mag	W3mag mag	W4mag mag	NUVmag mag	a pix	e pix	PA pix
1	NC1S025507	045.02521087518	+00.10644324191	1331000025507	2003.886	3			23.079	21.948	21.463	21.069	20.425
2	NC1S027362	045.03388812885	+00.10641947093	1331000027362	2003.886	3			23.819	23.975	23.245	21.795	21.929
3	NC1S015424	045.03502266000	+00.10709366000	1331000015424	2013.620	0			24.332	23.148	21.461	20.770	20.438	19.8401				17.353	16.725	12.746	8.703
4	NC1S022639	045.03792990000	+00.11452707000	1331000022639	2012.530	0			22.769	21.915	21.869	21.835	23.023
5	NC1S025509	045.02655139800	+00.11455309330	1331000025509	2003.886	3			23.098	23.817	22.559	22.084	21.101
6	NC1S061264	045.03335978710	+00.12023117551	1331000061264	2012.000	3											18.482	17.217	16.792	12.421	8.748
7	NC1S051519	045.01225980310	+00.11048100460	1331000051519	2012.000	3									20.212
8	NC1S025489	045.01507324000	+00.11153245000	1331000025489	2013.257	3			22.882	22.501	21.580	21.464	21.266
9	NC1S056883	045.01502559850	+00.11156999020	1331000056883	2012.000	3										18.905	18.274	17.697	17.323	12.494	8.745
10	NC1S048347	045.00401688726	+00.11057165471	1331000048347	2003.886	3			25.415	25.429	23.882	22.216	21.646					17.344	17.323	12.767	8.960
11	NC1S054285	045.00407611130	+00.11073567779	1331000054285	2012.000	3										19.284
12	NC1S000472	045.01230285000	+00.11609093000	13310000472	2012.792	3	21.022900	19.321600	21.336	21.228	20.781	20.561	20.535	19.7912	17.817	17.689	16.822	16.879	16.567	12.339	8.487	21.494	3.056	0.450	9.8
13	NC1S005755	045.01040267944	+00.11793971807	133100005755	1989.970	0		20.379500															1.498	0.420	160.0
14	NC1S014248	045.02075070617	+00.11592241842	1331000014248	2003.886	3			23.279	23.077	23.104	22.973	22.173
15	NC1S025491	045.01854192340	+00.11614491233	1331000025491	2003.886	3			21.573	21.101	20.386	20.011	19.797
16	NC1S059162	045.01846604000	+00.11620273000	1331000059162	2013.023	3				21.632	21.079	20.867	20.789	20.6365	19.390	18.076	17.533	17.358	16.532	12.146	9.106
17	NC1S041477	045.01760039000	+00.12494086000	1331000041477	2013.695	3			23.185	23.764	22.928	21.877	21.604
18	NC1S024104	044.97949778035	+00.09535627611	1331000024104	2003.886	3			23.944	23.155	24.638	23.741	22.240
19	NC1S074698	044.98333370000	+00.10238400000	1331000074698	2010.560	4												17.459	16.863	12.627	9.357
20	NC1S022656	044.98282477592	+00.10563138405	1331000022656	2003.886	3			22.211	24.837	24.045	23.898	22.741
21	NC1S061265	044.97405933090	+00.09969234397	1331000061265	2012.000	3											18.264	17.174	16.916	12.306	9.156
22	NC1S048335	044.98808481000	+00.10590806000	1331000048335	2013.632	3			22.412	21.860	21.799	21.875	21.111
23	NC1S080399	044.98838300000	+00.10639480000	1331000080399	2010.560	4												17.856	16.617	12.663	9.036
24	NC1S040471	044.99553911000	+00.10981985000	1331000040471	2013.576	3			22.474	21.646	21.384	21.528	21.109					17.383	16.704	12.474	8.992
25	NC1S040472	044.99873263000	+00.11192318000	1331000040472	2013.305	3			22.795	21.619	21.699	21.600	21.456					17.687	16.651	12.677	8.611
26	NC1S083482	044.99948612878	+00.11212030344	1331000083482	2006.000	4																22.238
27	NC1S037224	044.99214930000	+00.11185315000	1331000037224	2013.414	0			25.189	23.932	21.732	21.232	20.804	20.5312
28	NC1S037220	044.98767594834	+00.11604002749	1331000037220	2003.886	3			25.540	24.929	23.006	24.788	22.445
29	NC1S037203	044.97187136000	+00.10711105000	1331000037203	2012.581	3			22.449	22.208	21.486	21.426	21.162	20.7841				16.763	16.155	12.576	8.808
30	NC1S060588	044.97186691920	+00.10713729317	1331000060588	2012.000	3									19.688	19.021
31	NC1S084354	044.96938828103	+00.11353862940	1331000084354	2006.000	4																22.587
32	NC1S005754	044.96064227000	+00.11131640000	133100005754	2013.967	3		20.192800	23.227	21.758	21.219	20.771	20.481	20.4619	18.196	17.694	16.762	16.188	16.054	12.118	8.767		1.898	0.564	108.9
33	NC1S050538	044.98340224060	+00.11735793738	1331000050538	2003.886	3			24.745	23.187	22.011	21.939	21.718
34	NC1S005756	044.98120488000	+00.11988344000	133100005756	2013.352	3		20.016100	22.457	22.522	21.288	20.888	20.468	20.2905	18.632	17.968	16.998	16.406	16.076	12.428	8.699		1.655	0.181	48.7
35	NC1S024101	044.98412282000	+00.12219410000	1331000024101	2013.061	0			24.915	22.204	21.318	20.446	20.055	19.6588
36	NC1S052335	044.98412430230	+00.12222446585	1331000052335	2012.000	3									18.762	18.018	17.831
37	NC1S078095	044.97513190000	+00.12154350000	1331000078095	2010.560	4												16.918	16.664	12.782	8.759
38	NC1S084661	044.96995229597	+00.11933125802	1331000084661	2006.000	4																22.546
39	NC1S031648	044.96837046000	+00.12199933000	1331000031648	2013.352	3			24.748	23.114	21.887	21.681	21.298
40	NC1S071279	044.97181620000	+00.12244755000	1331000071279	2014.497	3						22.204
41	NC1S031661	044.98074079000	+00.12370584000	1331000031661	2012.123	3			24.944	25.140	22.443	21.914	21.381
42	NC1S052404	044.98071981380	+00.12373865935	1331000052404	2012.000	3									19.924			17.850	17.263	12.515	9.212
43	NC1S046853	044.97525238152	+00.12760439522	1331000046853	2003.886	3			23.952	22.378	22.096	21.561	20.993					17.373	16.522	12.782	8.854
44	NC1S027354	045.00549677491	+00.11847775057	1331000027354	2003.886	3			23.053	22.892	22.329	22.026	23.389
45	NC1S078048	045.00583180000	+00.11988400000	1331000078048	2010.560	4												17.070	16.239	12.512	9.127
46	NC1S031678	044.99878863836	+00.12321745644	1331000031678	2003.886	3			24.043	25.460	23.973	22.412	22.742					17.167	17.320	12.758	9.255
47	NC1S025495	045.02065311194	+00.13041714721	1331000025495	2003.886	3			22.773	22.220	21.689	21.164	20.958					16.186	15.689	12.133	8.427
48	NC1S063798	045.02067591000	+00.13034793000	1331000063798	2013.088	3						21.652	21.048	20.6573	19.246	18.255	17.655
49	NC1S048348	045.00490320626	+00.12829742601	1331000048348	2003.886	3			23.673	24.968	23.726	22.259	21.357
50	NC1S051676	045.00488656880	+00.12843060361	1331000051676	2012.000	3											18.644	17.655	17.140	12.210	9.306

Result truncated to 50 rows

Note: a center (target) is required; the following constraint was added:
-c= 0.000000+90.000000

Note: The Guide Star Catalog has been constructed to support the operational need of the Hubble Space Telescope; it is primarily based on an all-sky, single epoch, single passband collection of Schmidt plates. It contains over 25 million positions for about 19 million objects, of which more than 15 million are classified as stars.

I/220/out The HST Guide Star Catalog, Version 1.1 (Lasker+ 1992)
ReadMe+ftp

metaI/220/out

The Full Catalogue (25258765 positions) (25258765 rows)

start AladinLite

Full	GSC	RAJ2000 deg	DEJ2000 deg	PosErr arcsec	Pmag mag	e_ mag	n_	Class
1	0091400684	221.87467	11.97748	0.2	13.54	0.39	1	0