| V/117A/newcat | Geneva-Copenhagen Survey of Solar neighbourhood (Holmberg+, 2007) Main catalogue recalibrated data (2007) (16682 rows) | recno=3027 |
| Column | Value | Explain (UCD) | |
| _RAJ2000 | 04 40 33.7 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.ra) |
| _DEJ2000 | -41 51 49 | "d:m:s" | Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.dec) |
| _RAB1950 | 04 38 56.3 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.ra) |
| _DEB1950 | -41 57 33 | "d:m:s" | Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.dec) |
| _Glon | 246.1558 | deg | Galactic longitude (computed by VizieR, not part of the original data) (pos.galactic.lon) |
| _Glat | -41.4958 | deg | Galactic latitude (computed by VizieR, not part of the original data) (pos.galactic.lat) |
| recno | 3027 | Record number within the original table (starting from 1) (meta.record) | |
| HIP | 21770 | Hipparcos number if available (meta.id;meta.main) | |
| Name | HD 29875 | Object name (HD,BD,CD or CP) (Note 1) (meta.id;meta.main) | |
| Comp | AB | Components included in photometry (Note 2) (meta.code.multip) | |
| RAJ2000 | 04 40 33.7 | "h:m:s" | Right ascension (ICRF) (pos.eq.ra;meta.main) |
| DEJ2000 | -41 51 49 | "d:m:s" | Declination (ICRF) (pos.eq.dec;meta.main) |
| logTe | 3.843 | [K] | Effective temperature (phys.temperature.effective) |
| [Fe/H] | -0.08 | [Sun] | Metallicity (phys.abund.Z) |
| Dist | 20 | pc | Distance (pos.distance;pos.heliocentric) |
| VMAG | 2.93 | mag | Absolute magnitude (phys.magAbs) |
| Age | 0.9 | Gyr | Age, in Gigayears (time.age) |
| clAge | 0.7 | Gyr | Lower confidence limit on Age (time.age;stat.fit.param) |
| chAge | 1.3 | Gyr | Upper confidence limit on Age (time.age;stat.fit.param) |
| UVel | 10 | km/s | Heliocentric space velocity component U (Note 3) (pos.cartesian.x) |
| VVel | 6 | km/s | Heliocentric space velocity component V (Note 3) (pos.cartesian.y) |
| WVel | -10 | km/s | Heliocentric space velocity component W (Note 3) (pos.cartesian.z) |
| fb | * | Flag for binaries of all types (Note 3) (meta.code.multip) | |
| fs | Flag for cool dwarfs south of -26deg (meta.code) | ||
| Vmag | 4.450 | mag | Johnson V magnitude (phot.mag;em.opt.V) |
| b-y | 0.211 | mag | Stromgren b-y colour (phot.color;em.opt.B;em.opt.V) |
| Hbeta | 2.736 | mag | Stromgren Hbeta index (spect.index;em.line.Hbeta) |
| E(b-y) | mag | Colour excess (Note 5) (phot.color.excess) | |
| dVMag | 0.13 | mag | Magnitude difference to ZAMS (phot.mag;arith.diff) |
| fr | H | Source for the distance (Note 8) (meta.ref;pos.frame) | |
| fg | Flag for suspected giants (Note 9) (meta.code) | ||
| mass | 1.48 | solMass | Mass, in solar masses (phys.mass) |
| clmass | 1.43 | solMass | Lower confidence limit on mass (phys.mass) |
| chmass | 1.52 | solMass | Upper confidence limit on mass (phys.mass) |
| RVel | -0.3 | km/s | Mean radial velocity (Note 10) (spect.dopplerVeloc;stat.mean) |
| meRVel | 0.7 | km/s | Mean error of radial velocity (stat.error;spect.dopplerVeloc) |
| e_RVel | km/s | Standard deviation of RVel measurements (stat.error;spect.dopplerVeloc) | |
| o_RVel | Number of RVel measurements (meta.number) | ||
| dT | d | Time-span of RVel measurements (time.interval) | |
| P(chi2) | Probability of constant RVel (stat.probability) | ||
| fd | Flag for spectroscopic binaries (Note 10) (meta.code.multip) | ||
| q | q indicates that an estimate of the mass ratio is given in table2 (meta.ref.url) | ||
| fv | L | Source of RVel (Note 11) (meta.ref;pos.frame) | |
| vsini | km/s | Rotational velocity (phys.veloc.rotat) | |
| pmRA | -141 | mas/a | Proper motion in right ascension (Note 4) (pos.pm;pos.eq.ra) |
| pmDE | -74 | mas/a | Proper motion in declination (Note 4) (pos.pm;pos.eq.dec) |
| e_pm | 1 | mas/a | Standard error of total proper motion (Note 4) (stat.error) |
| plx | 49.7 | mas | Hipparcos parallax (pos.parallax.trig) |
| e_plx | 0.5 | mas | Standard error of parallax (stat.error;pos.parallax) |
| Rgal | 8.006 | kpc | Galactic radial position (Note 13) (pos.distance;pos.galactocentric) |
| zgal | -0.013 | kpc | Galactic vertical position (Note 13) (pos.distance;pos.cartesian.z) |
| Rmin | 7.77 | kpc | Perigalactic distance (src.orbital) |
| Rmax | 8.99 | kpc | Apogalactic distance (src.orbital) |
| ecc | 0.07 | Eccentricity of galactic orbit (src.orbital.eccentricity;pos.galactic) | |
| zmax | 0.05 | kpc | Maximum distance from galactic plane (src.orbital) |
| Notes | c | General note (Note 14) (meta.note) | |
| Tycho-2 | Tycho-2 | Tycho-2 data for this star (meta.ref.url) | |
| Simbad | Simbad | ask the Simbad data-base about this object | |
© UDS/CNRS
