| I/271/out | The GSC 2.2 Catalogue (STScI, 2001) The Full GSC2.2.1 Catalogue (455851237 objects) (455851237 rows) | GSC2.2===N0312120306 |
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.
| Column | Value | Explain (UCD) | |
| _RAJ2000 | 20 12 46.88688 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) |
| _DEJ2000 | +18 06 17.4528 | "d:m:s" | Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) |
| _RAB1950 | 20 10 31.35071 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) |
| _DEB1950 | +17 57 12.9941 | "d:m:s" | Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) |
| _Glon | 058.54107241 | deg | Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) |
| _Glat | -08.75896254 | deg | Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) |
| GSC2.2 | N0312120306 | (i) Identification of the object (Note 1) (meta.id;meta.main) | |
| RA(ICRS) | 303.195362 | deg | (i) Right Ascension in ICRS (J2000), at Epoch (pos.eq.ra;meta.main) |
| DE(ICRS) | +18.104848 | deg | (i) Declination in ICRS (J2000) (pos.eq.dec;meta.main) |
| Epoch | 1983.940 | yr | Epoch of the position (time.epoch) |
| e_RAdeg | 0.025 | arcsec | Mean error on RAdeg (Note 2) (stat.error) |
| e_DEdeg | 0.026 | arcsec | Mean error on DEdeg (Note 2) (stat.error) |
| Rmag | mag | Magnitude in F photographic band (red) (Note 6) (phot.mag;em.opt.R) | |
| e_Rmag | mag | Mean error on Rmag (Note 2) (stat.error) | |
| Bjmag | 10.88 | mag | Magnitude in J photographic band (blue) (Note 6) (phot.mag;em.opt.B) |
| e_Bjmag | 0.05 | mag | Mean error on Bjmag (Note 2) (stat.error) |
| Vmag | 10.45 | mag | Magnitude in V photographic band (green) (Note 6) (phot.mag;em.opt.V) |
| e_Vmag | 0.05 | mag | Mean error on Vmag (Note 2) (stat.error) |
| Imag | mag | Magnitude in N photographic band (Note 6) (phot.mag;em.opt.I) | |
| e_Imag | mag | Mean error on Imag (Note 2) (stat.error) | |
| Class | 0 | [0,5] Object class (Note 3) (src.class) | |
| a | pix | Semi-major axis of fitting ellipse (phys.angSize;src) | |
| e | Eccentricity of fitting ellipse (src.orbital.eccentricity) | ||
| aPA | deg | Position angle (N thru E) of fitting ellipse (pos.posAng) | |
| Status | 999999 | Source status flag (Note 4) (meta.code) | |
| Np | 0 | Number of plates (Note 5) (meta.number) | |
