| I/312/sample | PPMX Catalog of positions and proper motions (Roeser+ 2008) The PPMX Catalog (Position and Proper Motions eXtended) (18088919 rows) | PPMX===160815.5+204914 |
Note: The limiting magnitude is about 15.2 in the GSC photometric system.
| Column | Value | Explain (UCD) | |
| _RAJ2000 | 16 08 15.50688 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) |
| _DEJ2000 | +20 49 14.8080 | "d:m:s" | Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) |
| _RAB1950 | 16 06 04.13449 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) |
| _DEB1950 | +20 57 08.7566 | "d:m:s" | Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) |
| _Glon | 035.99609651 | deg | Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon) |
| _Glat | +44.87654788 | deg | Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat) |
| PPMX | 160815.5+204914 | (i) Name (IAU convention HHMMSS.S+DDMMSSa) (Note 3) (meta.id;meta.main) | |
| RAJ2000 | 242.064612 | deg | (i) Right Ascension J2000.0, epoch 2000.0 (pos.eq.ra;meta.main) |
| DEJ2000 | +20.820780 | deg | (i) Declination J2000.0, epoch 2000.0 (pos.eq.dec;meta.main) |
| pmRA | 17.70 | mas/yr | Proper Motion in RA*cos(DEmas) (pos.pm;pos.eq.ra) |
| pmDE | -5.95 | mas/yr | Proper Motion in DE (pos.pm;pos.eq.dec) |
| epRA | 2000.25 | yr | Mean Epoch (RA) (time.epoch) |
| epDE | 2000.23 | yr | Mean Epoch (DE) (time.epoch) |
| e_RAJ2000 | 17 | mas | Mean error in RA*cos(DEmas) at epRA (stat.error;pos.eq.ra) |
| e_DEJ2000 | 17 | mas | Mean error in DE at epDE (stat.error;pos.eq.dec) |
| e_pmRA | 14.1 | mas/yr | Mean error in pmRA*cos(DEmas) (stat.error;pos.pm;pos.eq.ra) |
| e_pmDE | 14.2 | mas/yr | Mean error in pmDE (stat.error;pos.pm;pos.eq.dec) |
| Cmag | 13.460 | mag | Catalogue magnitude from source r_ID (phot.mag;em.opt.R) |
| Rmag | 13.346 | mag | Calculated Ru magnitude (579-642nm) from source r_ID (phot.mag;em.opt.R) |
| Bmag | mag | B magnitude in Johnson system (phot.mag;em.opt.B) | |
| e_Bmag | mmag | Standard error on B magnitude (stat.error;phot.mag;em.opt.B) | |
| Vmag | mag | V magnitude in Johnson system (phot.mag;em.opt.V) | |
| e_Vmag | mmag | Standard error on V magnitude (stat.error;phot.mag;em.opt.V) | |
| Jmag | 12.507 | mag | (i) J magnitude from 2MASS (phot.mag;em.IR.J) |
| e_Jmag | 22 | mmag | Standard error on J magnitude (stat.error;phot.mag;em.IR.J) |
| Hmag | 12.284 | mag | (i) H magnitude from 2MASS (phot.mag;em.IR.H) |
| e_Hmag | 24 | mmag | Standard error on H magnitude (stat.error;phot.mag;em.IR.H) |
| Kmag | 12.262 | mag | (i) K magnitude from 2MASS (phot.mag;em.IR.K) |
| e_Kmag | 23 | mmag | Standard error on K magnitude (stat.error;phot.mag;em.IR.K) |
| Nobs | 4 | Number of observation in LSQ fit (meta.number) | |
| P | [P] P if LSQ fit is bad (meta.code) | ||
| sub | O | [SHO] subset flag (Note 1) (meta.id) | |
| r_ID | G | [HTPSGA] source catalogue flag (Note 2) (meta.ref;pos.frame) | |
| ID | 0151601002 | star identifier in the source catalogue (meta.id) | |
