VizieR

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VizieR

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V/117A/newcat Geneva-Copenhagen Survey of Solar neighbourhood (Holmberg+, 2007)
Main catalogue recalibrated data (2007) (16682 rows)
  recno=725
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ColumnValue  Explain   (UCD)
_RAJ200001 10 18.700 "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+42 04 53.00 "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)
_RAB195001 07 27.161 "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+41 48 56.09 "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)
_Glon126.672862 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-20.653226 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)
725recno 725  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 5493   Hipparcos number if available (meta.id;meta.main)
NameHD 6920  (i) Object name (HD,BD,CD or CP) (Note 1)   (meta.id;meta.main)
Comp   Components included in photometry (Note 2)   (meta.code.multip)
RAJ200001 10 18.7 "h:m:s" (i) Right ascension (ICRF) (pos.eq.ra;meta.main)
DEJ2000+42 04 53 "d:m:s" (i) Declination (ICRF) (pos.eq.dec;meta.main)
logTe 3.767 [K] Effective temperature (phys.temperature.effective)
[Fe/H]-0.14 [Sun] Metallicity (phys.abund.Z)
Dist 53 pc Distance (pos.distance;pos.heliocentric)
VMAG 2.07 mag Absolute magnitude (phys.magAbs)
Age 2.1 Gyr Age, in Gigayears (time.age)
clAge 2.0 Gyr Lower confidence limit on Age (time.age;stat.fit.param)
chAge 2.2 Gyr Upper confidence limit on Age (time.age;stat.fit.param)
UVel 37 km/s Heliocentric space velocity component U (Note 3)   (pos.cartesian.x)
VVel 5 km/s Heliocentric space velocity component V (Note 3)   (pos.cartesian.y)
WVel -7 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 5.673 mag Johnson V magnitude (phot.mag;em.opt.V)
b-y 0.386 mag Stromgren b-y colour (phot.color;em.opt.B;em.opt.V)
Hbeta 2.598 mag Stromgren Hbeta index (spect.index;em.line.Hbeta)
E(b-y)-0.005 mag Colour excess (Note 5)   (phot.color.excess)
dVMag 3.12 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 -14.4 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 0.3 km/s Standard deviation of RVel measurements (stat.error;spect.dopplerVeloc)
o_RVel 19   Number of RVel measurements (meta.number)
dT3549 d Time-span of RVel measurements (time.interval)
P(chi2) 0.922   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 11 km/s Rotational velocity (phys.veloc.rotat)
pmRA -135 mas/a Proper motion in right ascension (Note 4)   (pos.pm;pos.eq.ra)
pmDE -40 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)
plx 19.0 mas Hipparcos parallax (pos.parallax.trig)
e_plx 0.7 mas Standard error of parallax (stat.error;pos.parallax)
Rgal 8.029 kpc Galactic radial position (Note 13)   (pos.distance;pos.galactocentric)
zgal-0.019 kpc Galactic vertical position (Note 13)   (pos.distance;pos.cartesian.z)
Rmin 7.27 kpc Perigalactic distance (src.orbital)
Rmax 9.74 kpc Apogalactic distance (src.orbital)
ecc 0.14   Eccentricity of galactic orbit (src.orbital.eccentricity;pos.galactic)
zmax 0.02 kpc Maximum distance from galactic plane (src.orbital)
Notes   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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