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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=55246
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ColumnValue  Explain   (UCD)
_RAJ200011 21 00.4023838 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-54 29 27.673953 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195011 18 43.1175893 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-54 13 00.373874 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon289.9556327917 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+06.0864419052 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
55246recno 55246  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 55425  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
CompAB  Component(s) (Note 1)   (meta.code.multip)
Classes**,*,IR,UV  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr1   Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000170.25184231 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.29 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-54.49101398 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.23 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 9.12 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.34 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -39.60 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.90 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -2.70 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.90 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)
GLon289.95563516 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat 6.08644333 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 109.50 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist  % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -36.25 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -16.16 mas/yr Proper motion in GLat (pos.pm)
X 37.2 pc Heliocentric distance towards Gal. center (pos.distance)
Y -102.3 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z 11.6 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7363 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 20.6 km/s Transverse velocity (phys.veloc)
SpTypeB5V  Spectral type (MK, HD, or other) (src.spType)
Tc 25   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc5   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 9.40 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 3.70 km/s Standard error on RV (Note 12)   (stat.error)
q_RVB   [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 -14.2 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -16.0 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -7.3 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 22.6 km/s Total heliocentric velocity (phys.veloc)
Dmin 99.62 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin-1962 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.0223   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 146.8 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 7229 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 7228 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 162 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 7226 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7068 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 7391 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 3.836 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 3.83 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 3.84 mag Hpmag at minimum (95th percentile) (phot.mag;em.IR.H)
Per  d Variability period (src.var)
HvarD mag [CDMPRU] Variability type (Note 21)   (meta.code;src.var)
Umag  mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 3.743 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 3.90 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 4.023 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 4.139 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.236 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 4.170 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.216 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 4.307 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.029 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS11210042-5429277  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MDCA  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V-0.157 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.015 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I-0.16 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-1.361 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-1.45 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-1.30 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-1.17 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-1.06 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-1.03 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -0.89 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 782.73 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 3.69 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 98718   Henry Draper catalog identifier (meta.id)
CstCen  Constellation membership (meta.code.member)
Atlas 976  Millennium Star Atlas page number (meta.bib.page)
Coords11210s5449  RA, DE in compact format; n = + ; s = - (meta.id)
NamePi Centauri  Star name(s) (meta.id)
GrpNameLower Centaurus Crux  Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompIDCCDM J11210-5429  Reference for Comp (main.dat) (meta.id)
rSpType2009A&A...501..297Z  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]   Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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