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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=4590
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ColumnValue  Explain   (UCD)
_RAJ200001 57 46.0532 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+38 04 28.378 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195001 54 46.9560 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+37 49 53.216 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon137.0555270 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-22.9712520 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
4590recno 4590  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAdeg029.44187 deg (i) Right Ascension J2000.0, epoch 1991.25 (pos.eq.ra;meta.main)
e_RAdeg 29.7 mas Standard error in RA*cos(DEdeg) (stat.error)
DEJ2000+38.07458 deg (i) Declination J2000.0, epoch 1991.25 (pos.eq.dec;meta.main)
e_DEJ2000 33.5 mas Standard error in DEdeg (stat.error;pos.eq.dec)
Plx 27.20 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 29.00 mas Standard error in Plx (stat.error;pos.parallax)
pmRA 6.15 mas/yr Proper Motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 1.79 mas/yr Standard error in pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -13.34 mas/yr Proper Motion in DE (pos.pm;pos.eq.dec)
e_pmDE 3.72 mas/yr Standard error in pmDE (stat.error;pos.pm;pos.eq.dec)
Bmag 11.001 mag B magnitude in Johnson system (phot.mag;em.opt.B)
e_Bmag 0.052 mag Standard error on B magnitude (stat.error;phot.mag;em.opt.B)
Vmag 10.545 mag V magnitude in Johnson system (phot.mag;em.opt.V)
e_Vmag 0.052 mag Standard error on V magnitude (stat.error;phot.mag;em.opt.V)
Scat 0.907 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)
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)
d3    [A-S] Component identifier (Note)   (meta.code.multip)
d4Z   [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)
SpTypeF3IV-V+G0V  MK Spectral type compiled from ASCC-2.5 and GCRV (Note)   (src.spType)
SpType2F 2 III  MK Spectral type from Tycho-2 Spectral Type Catalog (Cat. III/231) (src.spType)
HIP    Hipparcos number (Cat. I/239) (meta.id)
HD    HD number (Cat. III/135) (meta.id)
ASCC 460996  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 2.50 km/s Radial Velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV  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    Number of observations (meta.number)
nRV1   [1/3] Number of matches for given IRVC entry (meta.number)

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