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V/137D/XHIP Extended Hipparcos Compilation (XHIP) (Anderson+, 2012)
XHIP catalog: astrometry, spectrography, space motions, exoplanets, photometry, and references (117955 rows)
  recno=22903
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ColumnValue  Explain   (UCD)
_RAJ200004 56 22.2761093 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+13 30 52.093113 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 53 33.4227837 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+13 26 13.719203 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon186.6262550000 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-18.0519474549 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
22903recno 22903  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 22957  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
CompA  Component(s) (Note 1)   (meta.code.multip)
Classes**,*,*i*,IR,UV  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000074.09300433 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.18 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000+13.51457808 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.13 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 17.54 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.21 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -74.89 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.28 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -44.34 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.19 mas/yr Standard error on pmDE (stat.error;pos.pm;pos.eq.dec)
r_HIP2   [1/2] Reference for Hipparcos astrometry (Note 4)   (meta.ref;pos.frame)
r_pm3   [1/3] Reference for proper motion (Note 5)   (meta.ref;pos.frame)
GLon186.62625781 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-18.05194722 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 57.00 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 1.2 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -6.42 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -86.80 mas/yr Proper motion in GLat (pos.pm)
X -53.8 pc Heliocentric distance towards Gal. center (pos.distance)
Y -6.3 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z -17.7 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7454 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 23.5 km/s Transverse velocity (phys.veloc)
SpTypeK1III  Spectral type (MK, HD, or other) (src.spType)
Tc 61   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc3   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 1.64 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.25 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H]-0.21 [Sun] Iron abundance (phys.abund.Fe)
e_[Fe/H] 0.03 [Sun] Standard error on [Fe/H] (Note 14)   (stat.error;phys.abund.Fe)
q_[Fe/H]A   [ABC] Quality flag on [Fe/H] (Note 15)   (meta.code.qual;phys.abund.Fe)
age  Gyr Age, in billions of years (time.age)
b_age  Gyr Lower confidence limit on age (time.age;stat.fit.param)
B_age  Gyr Upper confidence limit on age (time.age;stat.fit.param)
U 5.5 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V 2.4 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -22.8 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 23.6 km/s Total heliocentric velocity (phys.veloc)
Dmin 56.86 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin -164 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.2085   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 29.0 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 9213 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 9010 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 1921 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 8812 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7292 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 11133 pc Orbital radius at apocenter (Note 18)   (pos.distance;src.orbital)
Npl    Number of exoplanets (known in April 2012) (meta.number)
Mpl   Exoplanet discovery method(s) (Note 19)   (meta.code;obs)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref)

Hpmag 4.236 mag Median magnitude in Hipparcos system (phot.mag;em.opt.V)
e_Hpmag 0.001 mag Standard error on Hpmag (stat.error;phot.mag;em.IR.H)
m_Hpmag    [A-Z*-] Reference flag for Hpmag (Note 20)   (meta.code.multip)
Hpmax 4.23 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 4.24 mag Hpmag at minimum (95th percentile) (phot.mag;em.IR.H)
Per  d Variability period (src.var)
HvarC mag [CDMPRU] Variability type (Note 21)   (meta.code;src.var)
Umag  mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 5.218 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 4.06 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 3.051 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag  mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag  mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag  mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag  mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag  mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag  mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS   2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2M   JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V 1.158 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.008 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 1.16 mag Color index in Cousins' system (phot.color;em.opt.V;em.opt.I)
e_V-I 0.02 mag Standard error on V-I (stat.error;phot.color;em.opt.V)
HpMag 0.456 mag Absolute Magnitude of Hpmag (Note 23)   (phot.mag;em.IR.H)
UMag  mag Absolute Magnitude in Johnson U (Note 23)   (phot.mag;em.opt.U)
BMag 1.44 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 0.28 mag Absolute Magnitude in Johnson V (Note 23)   (phys.magAbs;em.opt.V)
RMag  mag Absolute Magnitude in R (Note 23)   (phys.magAbs;em.opt.R)
IMag-0.73 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag  mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag  mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag  mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 109.80 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 4.05 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 31421   Henry Draper catalog identifier (meta.id)
CstOri  Constellation membership (meta.code.member)
Atlas 208  Millennium Star Atlas page number (meta.bib.page)
Coords04564n1351  RA, DE in compact format; n = + ; s = - (meta.id)
Name9 Omicron-2 Orionis  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompIDCCDM J04564+1331  Reference for Comp (main.dat) (meta.id)
rSpType2008ApJS..176..216A  Reference for SpType (main.dat) (Note 24)   (meta.ref;pos.frame)
r_RV582  Reference for RV (main.dat) (meta.ref;pos.frame)
r_[Fe/H]003,101,138  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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