VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . Beijing (Ch) VizieR .

VizieR

start AladinLite
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=84
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200018 05 27.2852 "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+02 30 00.356 "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)
_RAB195018 02 56.4089 "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+02 29 41.976 "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)
_Glon029.8934339 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+11.3670011 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)
84recno 84  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HD165341  HD number (Cat. III/135) (meta.id;meta.main)
HIP 88601  HIP number (Cat. I/311) (meta.id)
GJ702A  Nearby Star Catalog designation (Cat. V/70) (meta.id)
OName70 Oph A  Other name (meta.id)
plx196.62 mas Parallax (pos.parallax.trig)
e_plx 1.38 mas rms uncertainty on plx (stat.error;pos.parallax)
B-V 0.860 mag B-V colour index (phot.color;em.opt.B;em.opt.V)
r_B-V1  Reference for B-V, in refs.dat file (meta.ref;phot.color;em.opt.B)
logR'HK-4.586  R'HK index (phot.flux;arith.ratio)
r_logR'HK 5  Reference for logR'HK, in refs.dat file (meta.ref;pos.frame)
Vmag 4.25 mag V magnitude (phot.mag;em.opt.V)
VMAG 5.50 mag Absolute V magnitude (phys.magAbs;em.opt.V)
DVMAG-0.48 mag Difference between stellar absolute magnitude and that for an MS star of the same B-V color (phys.magAbs;em.opt.B)
SpTypeK0 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 1.1 Gyr Age from using the revised activity-age relation (time.age)
l_tau2   Limit flag on tau2 (meta.code.error)
tau2 1.9 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)
_RA271.36369 deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
_DE+02.50010 deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  
elapse time 1

Thanks for acknowledging the VizieR Service
Rules of usage of VizieR data

© Université de Strasbourg/CNRS

    • Contact