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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) 		  HIP=44001
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ColumnValue  Explain   (UCD)
_RAJ200008 57 35.2002068 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+15 34 52.614764 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195008 54 47.7700538 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+15 46 28.378715 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon212.2816927397 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+34.8116103516 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
43863recno 43863  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
HIP 44001  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
Comp   Component(s) (Note 1)   (meta.code.multip)
Classes*,IR,UV  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000134.39651328 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.30 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000+15.58123424 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.21 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 21.68 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.33 mas Standard error on Plx (stat.error;pos.parallax)
pmRA 61.13 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.36 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 19.60 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.26 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)
GLon212.28169417 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat 34.81161121 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 46.11 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 1.5 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon 5.28 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat 63.98 mas/yr Proper motion in GLat (pos.pm)
X -32.0 pc Heliocentric distance towards Gal. center (pos.distance)
Y -20.2 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z 26.3 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7432 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 14.0 km/s Transverse velocity (phys.veloc)
SpTypeA7V  Spectral type (MK, HD, or other) (src.spType)
Tc 37   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc5   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV -4.00 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 4.30 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H]  [Sun] Iron abundance (phys.abund.Fe)
e_[Fe/H]  [Sun] Standard error on [Fe/H] (Note 14)   (stat.error;phys.abund.Fe)
q_[Fe/H]    [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 10.1 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V 5.0 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W 9.2 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 14.6 km/s Total heliocentric velocity (phys.veloc)
Dmin 44.35 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin 847 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.2429   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 32.0 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 9526 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 9241 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 2314 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 8964 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7212 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 11840 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 5.750 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 5.74 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 5.76 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 5.889 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 5.68 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 5.479 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 5.271 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.023 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 5.208 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.018 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 5.156 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.024 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS08573518+1534525  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MEAA  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V 0.209 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 0.23 mag Color index in Cousins' system (phot.color;em.opt.V;em.opt.I)
e_V-I 0.01 mag Standard error on V-I (stat.error;phot.color;em.opt.V)
HpMag 2.431 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 2.57 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 2.36 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 2.16 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag 1.95 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag 1.89 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag 1.84 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 9.44 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 5.60 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 76582   Henry Draper catalog identifier (meta.id)
CstCnc  Constellation membership (meta.code.member)
Atlas 712  Millennium Star Atlas page number (meta.bib.page)
Coords08576n1558  RA, DE in compact format; n = + ; s = - (meta.id)
Name63 Omicron-2 Cancri  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompID   Reference for Comp (main.dat) (meta.id)
rSpType1995ApJS...99..135A  Reference for SpType (main.dat) (Note 24)   (meta.ref;pos.frame)
r_RV564  Reference for RV (main.dat) (meta.ref;pos.frame)
r_[Fe/H]   Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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