VizieR

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VizieR

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J/ApJ/687/1264/table13 Age estimation for solar-type dwarfs (Mamajek+, 2008)
Activity ages for the solar-type dwarfs within 16pc (103 rows)
  recno=60
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ColumnValue  Explain   (UCD)
_RAJ200014 51 23.3799 "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+19 06 01.699 "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)
_RAB195014 49 05.3371 "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+19 18 19.648 "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)
_Glon023.0858591 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+61.3562967 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)
60recno 60  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HD131156  HD number (Cat. III/135) (meta.id;meta.main)
HIP 72659  HIP number (Cat. I/311) (meta.id)
GJ566A  Nearby Star Catalog designation (Cat. V/70) (meta.id)
ONameksi Boo A  Other name (meta.id)
plx149.26 mas Parallax (pos.parallax.trig)
e_plx 0.76 mas rms uncertainty on plx (stat.error;pos.parallax)
B-V 0.720 mag B-V colour index (phot.color;em.opt.B;em.opt.V)
r_B-V2  Reference for B-V, in refs.dat file (meta.ref;phot.color;em.opt.B)
logR'HK-4.344  R'HK index (phot.flux;arith.ratio)
r_logR'HK 5  Reference for logR'HK, in refs.dat file (meta.ref;pos.frame)
Vmag 4.72 mag V magnitude (phot.mag;em.opt.V)
VMAG 5.59 mag Absolute V magnitude (phys.magAbs;em.opt.V)
DVMAG 0.37 mag Difference between stellar absolute magnitude and that for an MS star of the same B-V color (phys.magAbs;em.opt.B)
SpTypeG7 V  MK spectral type (src.spType)
r_SpType 8  Reference for SpType, in refs.dat file (meta.ref;pos.frame)
l_tau1   Limit flag on tau1 (meta.code.error)
tau1 0.2 Gyr Age from using the revised activity-age relation (time.age)
l_tau2   Limit flag on tau2 (meta.code.error)
tau2 0.2 Gyr Age inferred from converting the chromospheric activity levels to a rotation period via the Rossby number and then converting the rotation period to an age using the revised gyro relation (time.age)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)
_RA222.84742 deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
_DE+19.10047 deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  
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