| J/ApJ/687/1264/table8 | Age estimation for solar-type dwarfs (Mamajek+, 2008) Old solar-type dwarfs from Valenti et al. (2005, Cat. J/ApJS/159/141) with age uncertainties of <20% (23 rows) | recno=19 |
| Column | Value | Explain (UCD) | |
| _RAJ2000 | 20 11 11.9383 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000. (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 | -36 06 04.361 | "d:m:s" | Declination (FK5, Equinox=J2000.0) at Epoch=J2000. (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 07 56.8973 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) at Epoch=J2000. (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 | -36 15 01.275 | "d:m:s" | Declination (FK4, Equinox=B1950.0) at Epoch=J2000. (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 | 005.2331663 | deg | Galactic longitude at Epoch=J2000. (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 | -30.9246576 | deg | Galactic latitude at Epoch=J2000. (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) |
| 19recno | 19 | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) | |
| HD | 191408 | HD number (Cat. III/135) (meta.id;meta.main) | |
| B-V | 0.868 | mag | B-V color from Perryman et al. (HIP, 1997, Cat. I/239) (phot.color;em.opt.B;em.opt.V) |
| tau | 15.0 | Gyr | Isochronal age (Note 1) (time.age) |
| logR'HK | -4.99 | R'HK Chromospheric activity (phot.flux;arith.ratio) | |
| r_logR'HK | 46 | Reference for logR'HK, in refs.dat file (meta.ref;pos.frame) | |
| DVMAG | 0.39 | mag | Difference between stellar absolute magnitude and that for an MS star of the same B-V color (phys.magAbs;em.opt.B) |
| Simbad | Simbad | ask the Simbad data-base about this object (meta.ref.url) | |
| _RA | 302.79974 | deg | (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main) |
| _DE | -36.10121 | deg | (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main) |
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