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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=53125
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ColumnValue  Explain   (UCD)
_RAJ200023 07 28.7144 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+21 08 03.308 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195023 05 00.5240 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+20 51 51.054 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon092.7640018 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-35.5748802 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
53125recno 53125  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAdeg346.86936 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+21.13437 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 25.16 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.85 mas Standard error in Plx (stat.error;pos.parallax)
pmRA 106.93 mas/yr Proper Motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 1.04 mas/yr Standard error in pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -49.37 mas/yr Proper Motion in DE (pos.pm;pos.eq.dec)
e_pmDE 1.03 mas/yr Standard error in pmDE (stat.error;pos.pm;pos.eq.dec)
Bmag 6.227 mag B magnitude in Johnson system (phot.mag;em.opt.B)
e_Bmag 0.008 mag Standard error on B magnitude (stat.error;phot.mag;em.opt.B)
Vmag 5.953 mag V magnitude in Johnson system (phot.mag;em.opt.V)
e_Vmag 0.007 mag Standard error on V magnitude (stat.error;phot.mag;em.opt.V)
Scat 0.028 mag Scatter on magnitude (stat.error)
v1    [GN] Known variability from GCVS/NSV (Note)   (meta.code;src.var)
v2    [UVW] Variability from Tycho-1 (Note)   (meta.code;src.var)
v3P   [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)
SpTypeA5V  MK Spectral type compiled from ASCC-2.5 and GCRV (Note)   (src.spType)
SpType2A 5 V  MK Spectral type from Tycho-2 Spectral Type Catalog (Cat. III/231) (src.spType)
HIP 114189   Hipparcos number (Cat. I/239) (meta.id)
HD 218396   HD number (Cat. III/135) (meta.id)
ASCC 826478  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 -12.60 km/s Radial Velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 1.30 km/s Mean standard error in RV (stat.error)
q_RV    [A-E I] Quality index of the RV from CGRV (Note Cat. III/213)   (meta.code.qual)
o_RV 7   Number of observations (meta.number)
nRV1   [1/3] Number of matches for given IRVC entry (meta.number)

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