VizieR

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VizieR

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J/ApJ/720/1290/stars Abundances of stars hosting planets (Ghezzi+, 2010)
The stars observed, their atmospheric and physical parameters (265 rows)
  recno=121
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ColumnValue  Explain   (UCD)
_RAJ200000 20 04.2599 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (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)
_DEJ2000-64 52 29.255 "d:m:s" Declination (FK5, Equinox=J2000.0) (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)
_RAB195000 17 42.2863 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (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)
_DEB1950-65 09 08.209 "d:m:s" Declination (FK4, Equinox=B1950.0) (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)
_Glon308.3219942 deg Galactic longitude (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-51.9239428 deg Galactic latitude (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)
121recno 121  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NameHD1581  (i) Object name (Note 1)   (meta.id;meta.main)
Vmag 4.23 mag Apparent magnitude in V band from Hipparcos and Tycho (Cat. I/239) (phot.mag;em.opt.V)
Date2008-08-20 "Y:M:D" Date of observation (time.epoch)
Texp 30 s Total exposure time (time.duration;obs.exposure)
S/N216  Signal-to-Noise ratio per resolution element (stat.snr;pos.angResolution)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref)

Teff5908 K Effective Temperature (phys.temperature.effective)
e_Teff 31 K Uncertainty in Teff (stat.error;phys.temperature.effective)
log(g) 4.26 [cm/s2] Surface Gravity (phys.gravity)
e_log(g) 0.13 [cm/s2] Uncertainty in log(g) (stat.error)
Vt 1.17 km/s Microturbulence ξ (phys.veloc.microTurb)
e_Vt 0.04 km/s Uncertainty in Vt (stat.error)
A(Fe) 7.23 [---] Iron Abundance (log[N(Fe)/N(H)]+12) (phys.abund)
e_A(FeI) 0.08 [---] Standard Deviation of FeI Abundance (stat.error)
N(FeI)25  Number of FeI Lines Used (meta.number)
e_A(FeII) 0.08 [---] Standard Deviation of FeII Abundance (stat.error)
N(FeII)12 [---] Number of FeII Lines Used (meta.number)
[Fe/H]-0.20 [Sun] Metallicity (phys.abund.Z)
e_[Fe/H] 0.03 [Sun] Uncertainty in [Fe/H] (stat.error;phys.abund.Fe)
plx116.46 mas Parallax (from van Leeuwen et al., 2007ASSL..350.....V; see Cat. I/311) (pos.parallax.trig)
e_plx 0.16 mas Uncertainty in plx (stat.error;pos.parallax)
log(L) 0.094 [Lsun] Log of the luminosity (phys.luminosity)
e_log(L) 0.060 [Lsun] Uncertainty in log(L) (stat.error)
Rad 1.07 Rsun Stellar radius (phys.size.radius)
e_Rad 0.08 Rsun Uncertainty in Rad (stat.error)
Msp 0.75 Msun Stellar Spectroscopic mass (phys.mass)
e_Msp 0.36 Msun Uncertainty in Msp (stat.error)
Mtr 1.00 Msun Stellar evolutionary track mass (phys.mass)
e_Mtr 0.10 Msun Uncertainty in Mtr (stat.error)
log(gH) 4.38 [cm/s2] Hipparcos surface gravity (phys.gravity)
e_log(gH) 0.08 [cm/s2] Uncertainty in log(gHip) (stat.error)
l_Age   Upper or lower limit flag on Age (meta.code.error;time.age)
Age 6.5 Gyr Isochrone age (time.age)
b_Age 4.0 Gyr Lower Limit to Age (time.age;stat.min)
B_Age 9.0 Gyr Upper Limit to Age (time.age;stat.max)

_RA005.01775 deg (i) Positions from SIMBAD database (right ascension part) (pos.eq.ra;meta.main)
_DE-64.87479 deg (i) Positions from SIMBAD database (declination part) (pos.eq.dec;meta.main)
  
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