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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=31047
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ColumnValue  Explain   (UCD)
_RAJ200006 31 51.3663581 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-23 25 06.318091 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195006 29 46.2955761 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-23 22 52.313937 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon232.1110501659 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-14.5320199627 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
31047recno 31047  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 31125  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
CompA  Component(s) (Note 1)   (meta.code.multip)
Classes*,V*,bC*,UV,X,**  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000097.96403420 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.07 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-23.41843681 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 2.36 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.20 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -2.91 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.10 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 6.22 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.15 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_pm1   [1/3] Reference for proper motion (Note 5)   (meta.ref;pos.frame)
GLon232.11105271 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-14.53201872 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 420.11 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 8.5 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -6.86 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -0.17 mas/yr Proper motion in GLat (pos.pm)
X-249.7 pc Heliocentric distance towards Gal. center (pos.distance)
Y -320.9 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z-105.4 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7657 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 13.7 km/s Transverse velocity (phys.veloc)
SpTypeB0.7IV  Spectral type (MK, HD, or other) (src.spType)
Tc 20   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc4   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 26.90 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.70 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H]-0.18 [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 -26.7 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -12.1 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -7.1 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 30.2 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 0.0659   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi -17.1 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 8174 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 8157 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 538 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 8139 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7636 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 8713 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 4.259 mag Median magnitude in Hipparcos system (phot.mag;em.opt.V)
e_Hpmag 0.002 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 4.28 mag Hpmag at minimum (95th percentile) (phot.mag;em.IR.H)
Per 0.21 d Variability period (src.var)
HvarP mag [CDMPRU] Variability type (Note 21)   (meta.code;src.var)
Umag 3.120 mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 4.095 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 4.34 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 4.536 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-0.245 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-0.24 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-3.858 mag Absolute Magnitude of Hpmag (Note 23)   (phot.mag;em.IR.H)
UMag-4.997 mag Absolute Magnitude in Johnson U (Note 23)   (phot.mag;em.opt.U)
BMag-4.02 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-3.78 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-3.58 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 20583.65 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin  mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 46328   Henry Draper catalog identifier (meta.id)
CstCMa  Constellation membership (meta.code.member)
Atlas 347  Millennium Star Atlas page number (meta.bib.page)
Coords06319s2342  RA, DE in compact format; n = + ; s = - (meta.id)
Name4 Xi-1 Canis Majoris  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompIDCCDM J06319-2325  Reference for Comp (main.dat) (meta.id)
rSpType1990PASP..102..379W  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]322  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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