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V/117A/newcat Geneva-Copenhagen Survey of Solar neighbourhood (Holmberg+, 2007)
Main catalogue recalibrated data (2007) (16682 rows)
  recno=4238
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ColumnValue  Explain   (UCD)
_RAJ200006 19 12.9 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEJ2000-58 03 15 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_RAB195006 18 25.9 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEB1950-58 01 53 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_Glon266.9435 deg Galactic longitude (computed by VizieR, not part of the original data) (pos.galactic.lon)
_Glat-26.9309 deg Galactic latitude (computed by VizieR, not part of the original data) (pos.galactic.lat)
4238recno 4238  Record number within the original table (starting from 1) (meta.record)

HIP 30034   Hipparcos number if available (meta.id;meta.main)
NameHD 44627  Object name (HD,BD,CD or CP) (Note 1)   (meta.id;meta.main)
Comp   Components included in photometry (Note 2)   (meta.code.multip)
RAJ200006 19 12.9 "h:m:s" Right ascension (ICRF) (pos.eq.ra;meta.main)
DEJ2000-58 03 15 "d:m:s" Declination (ICRF) (pos.eq.dec;meta.main)
logTe 3.682 [K] Effective temperature (phys.temperature.effective)
[Fe/H]-0.64 [Sun] Metallicity (phys.abund.Z)
Dist 45 pc Distance (pos.distance;pos.heliocentric)
VMAG 5.88 mag Absolute magnitude (phys.magAbs)
Age  Gyr Age, in Gigayears (time.age)
clAge  Gyr Lower confidence limit on Age (time.age;stat.fit.param)
chAge  Gyr Upper confidence limit on Age (time.age;stat.fit.param)
UVel -10 km/s Heliocentric space velocity component U (Note 3)   (pos.cartesian.x)
VVel -21 km/s Heliocentric space velocity component V (Note 3)   (pos.cartesian.y)
WVel -6 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 9.168 mag Johnson V magnitude (phot.mag;em.opt.V)
b-y 0.537 mag Stromgren b-y colour (phot.color;em.opt.B;em.opt.V)
Hbeta  mag Stromgren Hbeta index (spect.index;em.line.Hbeta)
E(b-y)  mag Colour excess (Note 5)   (phot.color.excess)
dVMag 1.05 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  solMass Mass, in solar masses (phys.mass)
clmass  solMass Lower confidence limit on mass (phys.mass)
chmass  solMass Upper confidence limit on mass (phys.mass)
RVel 22.2 km/s Mean radial velocity (Note 10)   (spect.dopplerVeloc;stat.mean)
meRVel 0.3 km/s Mean error of radial velocity (stat.error;spect.dopplerVeloc)
e_RVel 0.4 km/s Standard deviation of RVel measurements (stat.error;spect.dopplerVeloc)
o_RVel 4   Number of RVel measurements (meta.number)
dT2190 d Time-span of RVel measurements (time.interval)
P(chi2) 0.667   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 12 km/s Rotational velocity (phys.veloc.rotat)
pmRA 16 mas/a Proper motion in right ascension (Note 4)   (pos.pm;pos.eq.ra)
pmDE 46 mas/a Proper motion in declination (Note 4)   (pos.pm;pos.eq.dec)
e_pm 2 mas/a Standard error of total proper motion (Note 4)   (stat.error)
plx 22.0 mas Hipparcos parallax (pos.parallax.trig)
e_plx 0.8 mas Standard error of parallax (stat.error;pos.parallax)
Rgal 8.002 kpc Galactic radial position (Note 13)   (pos.distance;pos.galactocentric)
zgal-0.021 kpc Galactic vertical position (Note 13)   (pos.distance;pos.cartesian.z)
Rmin 7.03 kpc Perigalactic distance (src.orbital)
Rmax 8.00 kpc Apogalactic distance (src.orbital)
ecc 0.06   Eccentricity of galactic orbit (src.orbital.eccentricity;pos.galactic)
zmax 0.03 kpc Maximum distance from galactic plane (src.orbital)
Notesc  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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