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VizieR

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J/AZh/83/821/osaca Orion Spiral Arm CAtalogue (OSACA) (Bobylev+, 2006)
The Orion Spiral Arm CAtalogue (35847 rows)
  recno=1483
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ColumnValue  Explain   (UCD)
_RAJ200000 54 17.59293 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-08 44 26.3830 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 51 46.16995 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-09 00 39.6403 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon125.16761050 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-71.60001499 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
1483recno 1483  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 4257  HIPPARCOS number (Cat. I/239) (meta.id;meta.main)
RAJ2000013.573304 deg (i) Right ascension (ICRS) (pos.eq.ra;meta.main)
DEJ2000-08.740662 deg (i) Declination (ICRS) (pos.eq.dec;meta.main)
Plx 8.60 mas Parallax from HIPPARCOS (pos.posAng)
e_Plx 0.80 mas Standard error of parallax (stat.error;pos.parallax)
pmRA 17.0 mas/yr Proper motion in RA*cos(DE) (pos.pm;pos.eq.ra)
e_pmRA 0.7 mas/yr Standard error in pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -47.3 mas/yr Proper motion in DE (pos.pm;pos.eq.dec)
e_pmDE 0.6 mas/yr Standard error in pmDE (stat.error;pos.pm;pos.eq.dec)
RV 45.0 km/s Average radial velocity (spect.dopplerVeloc;pos.heliocentric;stat.mean)
e_RV 2.5 km/s Standard error of RV (stat.error)
Vmag 6.15 mag V magnitude in Johnson system (from HIPPARCOS) (phot.mag;em.opt.V)
B-V 0.911 mag B-V color index in Johnson system (from HIPPARCOS) (phot.color;em.opt.B;em.opt.V)
V-I 0.91 mag V-I color index in Johnson system (from HIPPARCOS) (phot.color;em.opt.V;em.opt.I)
AV 0.10 mag Interstellar extinction (phys.absorption)
VMAG 0.7 mag Absolute magnitude (phys.magAbs)
Bin1   [1/2] Binarity parameter: 1-single star, 2-nonsingle star (meta.code.multip)
SpTypeG5IV  Spectral type and luminosity class (from HIC, Cat. I/196) (src.spType)
Vtot 52.8 km/s Total space velocity (phys.veloc)
Uvel -2.5 km/s Velocity component U in Galactic coord. system (phys.veloc;pos.cartesian.x)
Vvel -14.3 km/s Velocity component V in Galactic coord. system (phys.veloc;pos.cartesian.y)
Wvel -50.8 km/s Velocity component W in Galactic coord. system (phys.veloc;pos.cartesian.z)
X -21.1 pc Coordinate in Galactic coordinate system (pos.frame;pos.galactic)
Y 30.0 pc Coordinate in Galactic coordinate system (pos.frame;pos.galactic)
Z -110.3 pc Coordinate in Galactic coordinate system (pos.frame;pos.galactic)

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