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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=38591
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ColumnValue  Explain   (UCD)
_RAJ200017 10 22.6502 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-15 43 29.911 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195017 07 30.4532 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-15 39 52.869 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon006.7210629 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+14.0078623 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
38591recno 38591  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAdeg257.59430 deg (i) Right Ascension J2000.0, epoch 1991.25 (pos.eq.ra;meta.main)
e_RAdeg 2.7 mas Standard error in RA*cos(DEdeg) (stat.error)
DEJ2000-15.72519 deg (i) Declination J2000.0, epoch 1991.25 (pos.eq.dec;meta.main)
e_DEJ2000 1.7 mas Standard error in DEdeg (stat.error;pos.eq.dec)
Plx 38.77 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.86 mas Standard error in Plx (stat.error;pos.parallax)
pmRA 30.18 mas/yr Proper Motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 2.10 mas/yr Standard error in pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 88.18 mas/yr Proper Motion in DE (pos.pm;pos.eq.dec)
e_pmDE 1.40 mas/yr Standard error in pmDE (stat.error;pos.pm;pos.eq.dec)
Bmag  mag B magnitude in Johnson system (phot.mag;em.opt.B)
e_Bmag  mag Standard error on B magnitude (stat.error;phot.mag;em.opt.B)
Vmag 3.479 mag V magnitude in Johnson system (phot.mag;em.opt.V)
e_Vmag 0.059 mag Standard error on V magnitude (stat.error;phot.mag;em.opt.V)
Scat  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)
v3    [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)
d3B   [A-S] Component identifier (Note)   (meta.code.multip)
d4    [DRSYZ] Duplicity from Tycho-1 (Note)   (meta.code.multip)
d5C   [CGOVX] Double/Multiple Systems flag (Note)   (meta.code.multip)
d6    [D] Duplicity flag from PPM (meta.code.multip)
SpTypeA2.5Va  MK Spectral type compiled from ASCC-2.5 and GCRV (Note)   (src.spType)
SpType2A2.5Va  MK Spectral type from Tycho-2 Spectral Type Catalog (Cat. III/231) (src.spType)
HIP 84012   Hipparcos number (Cat. I/239) (meta.id)
HD    HD number (Cat. III/135) (meta.id)
ASCC 2602337  ASCC-2.5 (Cat. I/280) number (meta.id)
IRVC4   [1/5] Index of Radial Velocity Catalogues (Note)   (meta.ref;pos.frame)
CompABA  Components of multiple stars (Note)   (meta.code.multip)
RV -2.40 km/s Radial Velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.30 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 35   Number of observations (meta.number)
nRV2   [1/3] Number of matches for given IRVC entry (meta.number)

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