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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=51675
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ColumnValue  Explain   (UCD)
_RAJ200010 35 28.1071956 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-78 36 28.031993 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195010 34 53.5939155 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-78 20 53.898593 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon296.2815413696 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-17.5324915664 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
51675recno 51675  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 51839  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
Comp   Component(s) (Note 1)   (meta.code.multip)
Classes*,V*,IR  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000158.86757611 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.11 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-78.60781362 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.11 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 7.81 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.12 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -37.61 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.15 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 11.09 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.13 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)
GLon296.28154345 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-17.53249022 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 128.00 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 1.5 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -37.87 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -10.16 mas/yr Proper motion in GLat (pos.pm)
X 54.0 pc Heliocentric distance towards Gal. center (pos.distance)
Y -109.4 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z -38.6 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7347 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 23.8 km/s Transverse velocity (phys.veloc)
SpTypeK4III  Spectral type (MK, HD, or other) (src.spType)
Tc 64   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc3   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV -22.40 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]  [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 -30.9 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V 10.6 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W 0.9 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 32.7 km/s Total heliocentric velocity (phys.veloc)
Dmin 93.20 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin 2625 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.2589   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi -16.0 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 9835 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 9499 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 2546 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 9175 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7288 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 12381 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 4.210 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 4.20 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 4.22 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  mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 5.690 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 4.11 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 2.573 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 1.348 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.244 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 0.580 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.252 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 0.386 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.298 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS10352809-7836283  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MDDD  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V 1.580 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.320 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 1.71 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-1.326 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 0.15 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-1.43 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-2.96 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-4.19 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-4.96 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -5.15 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 1194.68 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 3.42 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 92305   Henry Draper catalog identifier (meta.id)
CstCha  Constellation membership (meta.code.member)
Atlas1024  Millennium Star Atlas page number (meta.bib.page)
Coords10355s7861  RA, DE in compact format; n = + ; s = - (meta.id)
NameGamma Chamaelontis  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)
rSpType1989ApJS...71..245K  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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