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V/117A/newcat Geneva-Copenhagen Survey of Solar neighbourhood (Holmberg+, 2007)
Main catalogue recalibrated data (2007) (16682 rows)
  recno=1047
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ColumnValue  Explain   (UCD)
_RAJ200001 42 29.7 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEJ2000+20 16 06 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_RAB195001 39 45.5 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEB1950+20 01 00 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_Glon138.8757 deg Galactic longitude (computed by VizieR, not part of the original data) (pos.galactic.lon)
_Glat-41.0174 deg Galactic latitude (computed by VizieR, not part of the original data) (pos.galactic.lat)
1047recno 1047  Record number within the original table (starting from 1) (meta.record)

HIP 7981   Hipparcos number if available (meta.id;meta.main)
NameHD 10476  Object name (HD,BD,CD or CP) (Note 1)   (meta.id;meta.main)
CompA  Components included in photometry (Note 2)   (meta.code.multip)
RAJ200001 42 29.7 "h:m:s" Right ascension (ICRF) (pos.eq.ra;meta.main)
DEJ2000+20 16 06 "d:m:s" Declination (ICRF) (pos.eq.dec;meta.main)
logTe 3.715 [K] Effective temperature (phys.temperature.effective)
[Fe/H]-0.04 [Sun] Metallicity (phys.abund.Z)
Dist 7 pc Distance (pos.distance;pos.heliocentric)
VMAG 5.87 mag Absolute magnitude (phys.magAbs)
Age 1.2 Gyr Age, in Gigayears (time.age)
clAge 0.2 Gyr Lower confidence limit on Age (time.age;stat.fit.param)
chAge10.8 Gyr Upper confidence limit on Age (time.age;stat.fit.param)
UVel 34 km/s Heliocentric space velocity component U (Note 3)   (pos.cartesian.x)
VVel -25 km/s Heliocentric space velocity component V (Note 3)   (pos.cartesian.y)
WVel 4 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 5.240 mag Johnson V magnitude (phot.mag;em.opt.V)
b-y 0.492 mag Stromgren b-y colour (phot.color;em.opt.B;em.opt.V)
Hbeta 2.564 mag Stromgren Hbeta index (spect.index;em.line.Hbeta)
E(b-y)  mag Colour excess (Note 5)   (phot.color.excess)
dVMag 0.16 mag Magnitude difference to ZAMS (phot.mag;arith.diff)
frH  Source for the distance (Note 8)   (meta.ref;pos.frame)
fg   Flag for suspected giants (Note 9)   (meta.code)
mass 0.83 solMass Mass, in solar masses (phys.mass)
clmass 0.80 solMass Lower confidence limit on mass (phys.mass)
chmass 0.89 solMass Upper confidence limit on mass (phys.mass)
RVel -34.2 km/s Mean radial velocity (Note 10)   (spect.dopplerVeloc;stat.mean)
meRVel 0.1 km/s Mean error of radial velocity (stat.error;spect.dopplerVeloc)
e_RVel 0.2 km/s Standard deviation of RVel measurements (stat.error;spect.dopplerVeloc)
o_RVel 15   Number of RVel measurements (meta.number)
dT5595 d Time-span of RVel measurements (time.interval)
P(chi2) 0.816   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)

fvC  Source of RVel (Note 11)   (meta.ref;pos.frame)
vsini 1 km/s Rotational velocity (phys.veloc.rotat)
pmRA -301 mas/a Proper motion in right ascension (Note 4)   (pos.pm;pos.eq.ra)
pmDE -674 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)
plx133.9 mas Hipparcos parallax (pos.parallax.trig)
e_plx 0.9 mas Standard error of parallax (stat.error;pos.parallax)
Rgal 8.004 kpc Galactic radial position (Note 13)   (pos.distance;pos.galactocentric)
zgal-0.005 kpc Galactic vertical position (Note 13)   (pos.distance;pos.cartesian.z)
Rmin 6.36 kpc Perigalactic distance (src.orbital)
Rmax 8.70 kpc Apogalactic distance (src.orbital)
ecc 0.16   Eccentricity of galactic orbit (src.orbital.eccentricity;pos.galactic)
zmax 0.16 kpc Maximum distance from galactic plane (src.orbital)
Notesb  General note (Note 14)   (meta.note)

Tycho-2Tycho-2  Tycho-2 data for this star (meta.ref.url)
SimbadSimbad  ask the Simbad data-base about this object
  
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