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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=17608
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ColumnValue  Explain   (UCD)
_RAJ200003 46 50.8881653 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-23 14 59.004658 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 44 41.7255077 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-23 23 46.673250 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon217.3493832324 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-50.3235140749 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
17608recno 17608  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 17651  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
Comp   Component(s) (Note 1)   (meta.code.multip)
Classes*,PM*,IR,UV  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000056.71245432 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.10 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-23.24843785 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.12 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 56.73 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.19 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -158.88 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.12 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -528.96 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.14 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)
GLon217.34938698 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-50.32351310 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 17.63 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 0.3 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon 469.63 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -290.67 mas/yr Proper motion in GLat (pos.pm)
X -8.9 pc Heliocentric distance towards Gal. center (pos.distance)
Y -6.8 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z -13.6 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7409 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 46.2 km/s Transverse velocity (phys.veloc)
SpTypeF5IV-V  Spectral type (MK, HD, or other) (src.spType)
Tc 45   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc4   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 6.90 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.23 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H] 0.10 [Sun] Iron abundance (phys.abund.Fe)
e_[Fe/H] 0.02 [Sun] Standard error on [Fe/H] (Note 14)   (stat.error;phys.abund.Fe)
q_[Fe/H]A   [ABC] Quality flag on [Fe/H] (Note 15)   (meta.code.qual;phys.abund.Fe)
age 1.5 Gyr Age, in billions of years (time.age)
b_age 1.2 Gyr Lower confidence limit on age (time.age;stat.fit.param)
B_age 1.7 Gyr Upper confidence limit on age (time.age;stat.fit.param)
U 35.2 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -22.5 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -20.8 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 46.7 km/s Total heliocentric velocity (phys.veloc)
Dmin 17.43 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin -55 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.2362   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 106.8 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 7310 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 7103 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 1726 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 6902 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin5584 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 9036 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 4.316 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 4.31 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 4.32 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 4.654 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 4.22 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 3.760 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 3.609 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.302 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 3.393 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.236 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 3.353 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.270 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS03465090-2314585  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 0.434 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.012 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 0.51 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 3.085 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 3.42 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 2.99 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 2.53 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag 2.38 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag 2.16 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag 2.12 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 5.39 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 4.20 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 23754   Henry Draper catalog identifier (meta.id)
CstEri  Constellation membership (meta.code.member)
Atlas 355  Millennium Star Atlas page number (meta.bib.page)
Coords03468s2325  RA, DE in compact format; n = + ; s = - (meta.id)
Name27 Tau-6 Eridani  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)
rSpType2006AJ....132..161G  Reference for SpType (main.dat) (Note 24)   (meta.ref;pos.frame)
r_RV518,564  Reference for RV (main.dat) (meta.ref;pos.frame)
r_[Fe/H]001,039,114,129  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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