| I/311/hip2 | Hipparcos, the New Reduction (van Leeuwen, 2007) The Astrometric Catalogue (117955 rows) | recno=21764 |
| Column | Value | Explain (UCD) | |
| _RAJ2000 | 04 41 18.856 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra) |
| _DEJ2000 | +20 54 05.45 | "d:m:s" | Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec) |
| _RAB1950 | 04 38 22.030 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra) |
| _DEB1950 | +20 48 34.78 | "d:m:s" | Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec) |
| _Glon | 178.1723 | deg | Galactic longitude at Epoch=J1991.25, proper motions taken into account (computed by VizieR, not part of the original data) (pos.galactic.lon) |
| _Glat | -16.5235 | deg | Galactic latitude at Epoch=J1991.25, proper motions taken into account (computed by VizieR, not part of the original data) (pos.galactic.lat) |
| recno | 21764 | Record number within the original table (starting from 1) (meta.record) | |
| HIP | 21818 | Hipparcos identifier (meta.id;meta.main) | |
| n_HIP | P | Existence of a note in the first version of Hipparcos catalog on Duplicity, Photometry or a General note; letters W, X, Y, Z indicate notes on several topics (field H70 of the 1997 edition, Cat. I/239) (meta.note) | |
| Sn | 5 | [0,159] Solution type new reduction (Note 1) (meta.id;stat.fit) | |
| So | 0 | [0,5] Solution type old reduction (Note 2) (meta.id;stat.fit) | |
| Nc | 1 | Number of components (meta.number) | |
| RArad | 070.32917268 | deg | Right Ascension in ICRS, Ep=1991.25 (pos.eq.ra;meta.main) |
| e_RArad | 1.02 | mas | Formal error on RArad (stat.error) |
| DErad | +20.90213071 | deg | Declination in ICRS, Ep=1991.25 (pos.eq.dec;meta.main) |
| e_DErad | 0.55 | mas | Formal error on DErad (stat.error) |
| Plx | 75.82 | mas | Parallax (pos.parallax) |
| e_Plx | 1.14 | mas | Formal error on Plx (stat.error;pos.parallax) |
| pmRA | -232.38 | mas/yr | Proper motion in Right Ascension (pos.pm;pos.eq.ra) |
| e_pmRA | 1.05 | mas/yr | Formal error on pmRA (stat.error;pos.pm;pos.eq.ra) |
| pmDE | -254.28 | mas/yr | Proper motion in Declination (pos.pm;pos.eq.dec) |
| e_pmDE | 0.69 | mas/yr | Formal error on pmDE (stat.error;pos.pm;pos.eq.dec) |
| Ntr | 72 | Number of field transits used (meta.id;obs.field) | |
| F2 | 1.21 | Goodness of fit (stat.fit.goodness) | |
| F1 | 0 | % | Percentage rejected data (stat.value;arith.ratio) |
| var | 0.0 | Cosmic dispersion added (stochastic solution) (stat.fit.residual) | |
| Hpmag | 8.2236 | mag | Hipparcos magnitude (phot.mag;em.opt.V) |
| e_Hpmag | 0.0050 | mag | Error on mean Hpmag (stat.error;phot.mag;em.IR.H) |
| sHp | 0.046 | mag | Scatter of Hpmag (stat.error) |
| VA | 2 | [0,2] Reference to variability annex (meta.note) | |
| B-V | 1.092 | mag | Colour index (phot.color;em.opt.B;em.opt.V) |
| e_B-V | 0.005 | mag | Formal error on colour index (stat.error;phot.color;em.opt.B) |
| V-I | 1.160 | mag | V-I colour index (phot.color;em.opt.V;em.opt.I) |
| HIP1 | HIP1 | Data from the first edition of the Hipparcos Catalog (1997, Cat. I/239) (meta.ref.url) | |
| Phot | Phot | Hipparcos Epoch Photometry (Plot and List) from the 1997 edition (meta.ref.url) | |
© UDS/CNRS
