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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=11712
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ColumnValue  Explain   (UCD)
_RAJ200005 18 21.0660 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+36 37 55.341 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195005 14 58.5902 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+36 34 47.230 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon170.4281303 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-00.5787768 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
11712recno 11712  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAdeg079.58778 deg (i) Right Ascension J2000.0, epoch 1991.25 (pos.eq.ra;meta.main)
e_RAdeg 1.0 mas Standard error in RA*cos(DEdeg) (stat.error)
DEJ2000+36.63205 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 2.47 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 1.03 mas Standard error in Plx (stat.error;pos.parallax)
pmRA -1.44 mas/yr Proper Motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 1.47 mas/yr Standard error in pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -4.45 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 7.904 mag B magnitude in Johnson system (phot.mag;em.opt.B)
e_Bmag 0.020 mag Standard error on B magnitude (stat.error;phot.mag;em.opt.B)
Vmag 7.841 mag V magnitude in Johnson system (phot.mag;em.opt.V)
e_Vmag 0.015 mag Standard error on V magnitude (stat.error;phot.mag;em.opt.V)
Scat 0.201 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)
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)
d4D   [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)
SpTypeB3+B3  MK Spectral type compiled from ASCC-2.5 and GCRV (Note)   (src.spType)
SpType2B 3 V +B3V  MK Spectral type from Tycho-2 Spectral Type Catalog (Cat. III/231) (src.spType)
HIP 24744   Hipparcos number (Cat. I/239) (meta.id)
HD 34333   HD number (Cat. III/135) (meta.id)
ASCC 473444  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 -1.10 km/s Radial Velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV  km/s Mean standard error in RV (stat.error)
q_RVD   [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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