This table summarizes the more recent astronomical survey catalogs used to construct updates to GSC-1, GSC-2 and GSC-3. Additional information on the fields used is provided in the GSC releases.
| Original Catalog | Coverage (sq. deg) | Number of Objects | Description | Notes | |
|---|---|---|---|---|---|
| 2MASS | All-Sky | 496,911,362 | 2MASS Point Source catalog | J, H, Ks | Added in GSC 2.3.4 (new sources, photometry) |
| APASS dr9 | All-Sky | 61,176,401 | AAVSO Photometric All Sky Survey | B, V, g, r, i | added in GSC 2.4.1 (additional photometry) |
| ATLAS refcat2 | All-Sky | 992,637,834 | Asteroid Terrestial-Impact Last Alert System (ATLAS) (GAIAdr2 + PanSTARRSdr1 + SkyMapper dr1+ APASS + Tycho2 + Yale Bright Star Catalog | G, Grp, Gbp, g, r, i, z, J, H, Ks | Added in GSC 3.0 |
| GAIA dr1 | All-Sky | 1,142,679,769 | GAIA | G | added in GSC 2.4.1 (new sources, updated astrometry, photometry) |
| GAIA dr2 | All-Sky | 1,692,919,135 | GAIA | G, Grp, Gbp | added in GSC 2.4.2 (new sources, updated astrometry, photometry) |
| GAIA edr3 | All-Sky | 1,811,709 ,771 | GAIA | G, Grp, Gbp, Grvs | added in GSC 2.4.3 (new sources, updated astrometry, photometry) |
| GAIA dr3 | All-Sky | 1,811,709 ,771 | GAIA | G, Grp, Gbp, Grvs | added in GSC 3.0 (sources, astrometry, photometry) |
| Galactic Nucleus Survey | Galactic center (~0.3.sq.deg) | 3,277,922 | https://www.eso.org/sci/publications/announcements/sciann17403.html | J, H, Ks | added in GSC 3.0 (new sources, astrometry, photometry) |
| GALEX | All-Sky | 82,992,086 | GALEX All-Sky Imaging Survey (AIS) | fuv, nuv | added in GSC 2.4.2 (new sources, photometry) |
| NOIRlab Source Catalog dr2 | ~35,000 | 3,932,838,064 | u, g, r, i, z, Y, VR | ||
| PanSTARRS dr1 | ~30,000 | 1,919,106,885 | PanSTARRS https://confluence.stsci.edu/display/PANSTARRS/Pan-STARRS1+data+archive+home+page | g, r, i, z, y, w | 'best' catalog with ndetections>2 added in GSC 2.4.2 (new sources, photometry, classifications) |
| PanSTARRS dr1 recalibated to GAIAdr3 | ~30,000 | 1,484,273,377 | PanSTARRS https://ui.adsabs.harvard.edu/abs/2022AJ....164...73W/abstract | g, r, i, z, y, w | 'best' catalog with ndetections>2 added in GSC 3.0 (new sources, photometry, classifications) |
| Tycho-2 | All-Sky | 2,539,913 | TYCHO | Bt, Vt | Added in GSC 2.3 (new sources, astrometry, photometry) |
| SDSS dr13 | ~14,555 | 469,050,976 | Sloan Digital Sky Survey | u, g, r, i, z | added in GSC 2.4.1 (new sources, photometry, classifications) |
| Sky2000 v1 | All-Sky | 299,485 | NASA Master Catalog Stellar Database | U, B, V | Added in GSC 1.1 |
| Sky2000 v5 | All-Sky | 299,460 | NASA Master Catalog Stellar Database | U, B, V | |
| SMSS dr1 | ~17,200 | 285,159,194 | SkyMapper Southern Sky Survey | u, v, g, r, i, z | added in GSC 2.4.2 (new sources, photometry, classifications) |
| SMSS dr2 | ~17,200 | 505,176,667 | SkyMapper Southern Sky Survey | u, v, g, r, i, z | added in GSC 2.4.2 (new sources, photometry, classifications) |
| SMSS dr4 | ~26,000 | SkyMapper Southern Sky Survey | u, v, g, r, i, z | ||
| UCAC5 | All-Sky | 107,758,513 | USNO CCD Astrograph catalog | G, Fpg, J, H, Ks | all are GAIA dr1 sources; provides additional proper motion data |
| VHS dr4 | ~20,000 | 1,155,634,198 | VISTA Hemisphere Survey | Z, Y, J, H, Ks | added in GSC 2.4.1 (photometry, classifications) superseded by dr5 |
| VHS dr5 | ~20,000 | 1,373,400,198 | VISTA Hemisphere Survey | Z, Y, J, H, Ks | added in GSC 2.4.1 (photometry, classifications) |
| WISE | All-Sky | 747,634,026 | Wide-Field Infrared Survey Explorer | w1, w2, w3, w4 | added in GSC 2.4.2 (new sources, photometry) |