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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=41189
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ColumnValue  Explain   (UCD)
_RAJ200018 17 36.2444 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-34 06 26.133 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 14 17.3274 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-34 07 35.326 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon358.8273014 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-08.4703589 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
41189recno 41189  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAdeg274.40104 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)
DEJ2000-34.10724 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 3.61 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.86 mas Standard error in Plx (stat.error;pos.parallax)
pmRA -6.72 mas/yr Proper Motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 1.34 mas/yr Standard error in pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -9.78 mas/yr Proper Motion in DE (pos.pm;pos.eq.dec)
e_pmDE 0.85 mas/yr Standard error in pmDE (stat.error;pos.pm;pos.eq.dec)
Bmag 5.945 mag B magnitude in Johnson system (phot.mag;em.opt.B)
e_Bmag 0.009 mag Standard error on B magnitude (stat.error;phot.mag;em.opt.B)
Vmag 6.042 mag V magnitude in Johnson system (phot.mag;em.opt.V)
e_Vmag 0.009 mag Standard error on V magnitude (stat.error;phot.mag;em.opt.V)
Scat 0.059 mag Scatter on magnitude (stat.error)
v1G   [GN] Known variability from GCVS/NSV (Note)   (meta.code;src.var)
v2V   [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)
d6D   [D] Duplicity flag from PPM (meta.code.multip)
SpTypeB5V+A2V  MK Spectral type compiled from ASCC-2.5 and GCRV (Note)   (src.spType)
SpType2B3/4 IV/V  MK Spectral type from Tycho-2 Spectral Type Catalog (Cat. III/231) (src.spType)
HIP 89637   Hipparcos number (Cat. I/239) (meta.id)
HD 167647   HD number (Cat. III/135) (meta.id)
ASCC 1792263  ASCC-2.5 (Cat. I/280) number (meta.id)
IRVC4   [1/5] Index of Radial Velocity Catalogues (Note)   (meta.ref;pos.frame)
CompA  Components of multiple stars (Note)   (meta.code.multip)
RV 10.10 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    Number of observations (meta.number)
nRV1   [1/3] Number of matches for given IRVC entry (meta.number)

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