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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=6990
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ColumnValue  Explain   (UCD)
_RAJ200003 07 25.6735 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+17 52 47.958 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 04 36.4574 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+17 41 17.836 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon162.9838143 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-34.2094527 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
6990recno 6990  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAdeg046.85703 deg (i) Right Ascension J2000.0, epoch 1991.25 (pos.eq.ra;meta.main)
e_RAdeg 0.8 mas Standard error in RA*cos(DEdeg) (stat.error)
DEJ2000+17.87997 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 4.43 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.98 mas Standard error in Plx (stat.error;pos.parallax)
pmRA -21.96 mas/yr Proper Motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.90 mas/yr Standard error in pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 6.67 mas/yr Proper Motion in DE (pos.pm;pos.eq.dec)
e_pmDE 0.88 mas/yr Standard error in pmDE (stat.error;pos.pm;pos.eq.dec)
Bmag 6.007 mag B magnitude in Johnson system (phot.mag;em.opt.B)
e_Bmag 0.004 mag Standard error on B magnitude (stat.error;phot.mag;em.opt.B)
Vmag 6.126 mag V magnitude in Johnson system (phot.mag;em.opt.V)
e_Vmag 0.005 mag Standard error on V magnitude (stat.error;phot.mag;em.opt.V)
Scat 0.006 mag Scatter on magnitude (stat.error)
v1G   [GN] Known variability from GCVS/NSV (Note)   (meta.code;src.var)
v2    [UVW] Variability from Tycho-1 (Note)   (meta.code;src.var)
v3C   [CDMPRU] Variability type (Note)   (meta.code;src.var)
v4V   [VYIXR] Variability from CMC11 (Note)   (meta.code;src.var)
d12    [A-S ] CCDM component identifier (Note from Cat. I/274)   (meta.code.multip)
d3C   [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)
d6D   [D] Duplicity flag from PPM (meta.code.multip)
SpTypeB1.5 V  MK Spectral type compiled from ASCC-2.5 and GCRV (Note)   (src.spType)
SpType2B2IV  MK Spectral type from Tycho-2 Spectral Type Catalog (Cat. III/231) (src.spType)
HIP 14514   Hipparcos number (Cat. I/239) (meta.id)
HD 19374   HD number (Cat. III/135) (meta.id)
ASCC 835669  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 21.70 km/s Radial Velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 1.40 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 73   Number of observations (meta.number)
nRV1   [1/3] Number of matches for given IRVC entry (meta.number)

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