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V/137D/XHIP Extended Hipparcos Compilation (XHIP) (Anderson+, 2012)
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XHIP catalog: astrometry, spectrography, space motions, exoplanets, photometry, and references (117955 rows) 		  recno=24981
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ColumnValue  Explain   (UCD)
_RAJ200005 21 45.7473069 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 22 56.870590 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195005 19 12.4785013 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-00 25 48.958204 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon202.6340799765 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-20.0265332205 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
24981recno 24981  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
HIP 25044  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
Comp   Component(s) (Note 1)   (meta.code.multip)
ClassesSB*,SB*,*,IR  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr2   Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000080.44061548 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.43 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-00.38246940 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.25 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 3.51 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.49 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -0.70 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.60 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 2.20 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.60 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_pm2   [1/3] Reference for proper motion (Note 5)   (meta.ref;pos.frame)
GLon202.63408280 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-20.02653258 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 347.00 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist  % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -2.26 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat 0.45 mas/yr Proper motion in GLat (pos.pm)
X-300.9 pc Heliocentric distance towards Gal. center (pos.distance)
Y -125.5 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z-118.8 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7703 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 3.8 km/s Transverse velocity (phys.veloc)
SpTypeB2Vs  Spectral type (MK, HD, or other) (src.spType)
Tc 22   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc5   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 27.90 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 10.00 km/s Standard error on RV (Note 12)   (stat.error)
q_RVD   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H]-0.31 [Sun] Iron abundance (phys.abund.Fe)
e_[Fe/H] 9.99 [Sun] Standard error on [Fe/H] (Note 14)   (stat.error;phys.abund.Fe)
q_[Fe/H]C   [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 -25.9 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -6.7 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -8.9 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 28.2 km/s Total heliocentric velocity (phys.veloc)
Dmin  pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin  kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.1292   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi -19.6 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 8787 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 8713 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 1135 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 8640 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7652 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 9922 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 4.662 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 4.65 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 4.67 mag Hpmag at minimum (95th percentile) (phot.mag;em.IR.H)
Per  d Variability period (src.var)
HvarM mag [CDMPRU] Variability type (Note 21)   (meta.code;src.var)
Umag 3.790 mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 4.552 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 4.72 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 4.856 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 5.465 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.286 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 5.235 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.055 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 5.220 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.018 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS05214575-0022568  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MDAA  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V-0.168 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.005 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I-0.17 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-3.040 mag Absolute Magnitude of Hpmag (Note 23)   (phot.mag;em.IR.H)
UMag-3.912 mag Absolute Magnitude in Johnson U (Note 23)   (phot.mag;em.opt.U)
BMag-3.15 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-2.98 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-2.85 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-2.24 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-2.47 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -2.48 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 4042.53 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin  mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 35039   Henry Draper catalog identifier (meta.id)
CstOri  Constellation membership (meta.code.member)
Atlas 254  Millennium Star Atlas page number (meta.bib.page)
Coords05218s0038  RA, DE in compact format; n = + ; s = - (meta.id)
Name22 o Orionis  Star name(s) (meta.id)
GrpNameOrion Molecular Cloud, Collinder 70  Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompID   Reference for Comp (main.dat) (meta.id)
rSpType1977PASP...89..797A  Reference for SpType (main.dat) (Note 24)   (meta.ref;pos.frame)
r_RV551  Reference for RV (main.dat) (meta.ref;pos.frame)
r_[Fe/H]322  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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