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III/254/crvad2 2nd Cat. of Radial Velocities with Astrometric Data (Kharchenko+, 2007)
The catalogue of radial velocities of galactic stars with high precision astrometric data, the 2nd version (CRVAD-2) (54907 rows)
  recno=51669
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ColumnValue  Explain   (UCD)
_RAJ200022 25 16.6231 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+01 22 38.634 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195022 22 43.3832 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+01 07 22.887 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon066.0066697 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-44.7394075 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
51669recno 51669  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAdeg336.31922 deg (i) Right Ascension J2000.0, epoch 1991.25 (pos.eq.ra;meta.main)
e_RAdeg 0.6 mas Standard error in RA*cos(DEdeg) (stat.error)
DEJ2000+01.37739 deg (i) Declination J2000.0, epoch 1991.25 (pos.eq.dec;meta.main)
e_DEJ2000 0.1 mas Standard error in DEdeg (stat.error;pos.eq.dec)
Plx 3.26 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.70 mas Standard error in Plx (stat.error;pos.parallax)
pmRA 18.15 mas/yr Proper Motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.62 mas/yr Standard error in pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 2.40 mas/yr Proper Motion in DE (pos.pm;pos.eq.dec)
e_pmDE 0.48 mas/yr Standard error in pmDE (stat.error;pos.pm;pos.eq.dec)
Bmag 4.632 mag B magnitude in Johnson system (phot.mag;em.opt.B)
e_Bmag 0.003 mag Standard error on B magnitude (stat.error;phot.mag;em.opt.B)
Vmag 4.798 mag V magnitude in Johnson system (phot.mag;em.opt.V)
e_Vmag 0.003 mag Standard error on V magnitude (stat.error;phot.mag;em.opt.V)
Scat 0.010 mag Scatter on magnitude (stat.error)
v1G   [GN] Known variability from GCVS/NSV (Note)   (meta.code;src.var)
v2W   [UVW] Variability from Tycho-1 (Note)   (meta.code;src.var)
v3U   [CDMPRU] Variability type (Note)   (meta.code;src.var)
v4    [VYIXR] Variability from CMC11 (Note)   (meta.code;src.var)
d12    [A-S ] CCDM component identifier (Note from Cat. I/274)   (meta.code.multip)
d3    [A-S] Component identifier (Note)   (meta.code.multip)
d4Y   [DRSYZ] Duplicity from Tycho-1 (Note)   (meta.code.multip)
d5    [CGOVX] Double/Multiple Systems flag (Note)   (meta.code.multip)
d6    [D] Duplicity flag from PPM (meta.code.multip)
SpTypeB1ne  MK Spectral type compiled from ASCC-2.5 and GCRV (Note)   (src.spType)
SpType2B1 Vnep  MK Spectral type from Tycho-2 Spectral Type Catalog (Cat. III/231) (src.spType)
HIP 110672   Hipparcos number (Cat. I/239) (meta.id)
HD 212571   HD number (Cat. III/135) (meta.id)
ASCC 1180418  ASCC-2.5 (Cat. I/280) number (meta.id)
IRVC4   [1/5] Index of Radial Velocity Catalogues (Note)   (meta.ref;pos.frame)
Comp   Components of multiple stars (Note)   (meta.code.multip)
RV 4.00 km/s Radial Velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV  km/s Mean standard error in RV (stat.error)
q_RVC   [A-E I] Quality index of the RV from CGRV (Note Cat. III/213)   (meta.code.qual)
o_RV 27   Number of observations (meta.number)
nRV1   [1/3] Number of matches for given IRVC entry (meta.number)

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