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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=23166
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ColumnValue  Explain   (UCD)
_RAJ200004 59 50.4533285 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-10 15 47.960297 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 57 28.3519847 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-10 20 06.306958 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon209.5504343176 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-29.4076891781 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
23166recno 23166  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 23221  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
Comp   Component(s) (Note 1)   (meta.code.multip)
ClassesWD*,IR,UV,X,SB*,*  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000074.96017038 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.68 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-10.26299260 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.48 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 18.53 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.84 mas Standard error on Plx (stat.error;pos.parallax)
pmRA 20.98 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.61 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -135.65 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.46 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)
GLon209.55043736 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-29.40768837 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 53.83 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 4.5 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon 131.50 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -39.38 mas/yr Proper motion in GLat (pos.pm)
X -40.8 pc Heliocentric distance towards Gal. center (pos.distance)
Y -23.1 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z -26.4 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7441 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 35.0 km/s Transverse velocity (phys.veloc)
SpTypeG6 V  Spectral type (MK, HD, or other) (src.spType)
Tc 56   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc5   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV -15.75 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.09 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 32.8 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -20.0 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -1.0 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 38.4 km/s Total heliocentric velocity (phys.veloc)
Dmin 49.10 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin 562 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.2250   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 101.7 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 7481 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 7289 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 1684 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 7102 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin5797 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 9164 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 5.536 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 5.52 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 5.55 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 6.187 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 5.39 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 4.610 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 4.119 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.260 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 3.552 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.246 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 3.592 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.268 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS04595045-1015478  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 0.797 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.001 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 0.87 mag Color index in Cousins' system (phot.color;em.opt.V;em.opt.I)
e_V-I 0.04 mag Standard error on V-I (stat.error;phot.color;em.opt.V)
HpMag 1.881 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 2.53 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 1.73 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 0.95 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag 0.46 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-0.10 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -0.06 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 20.65 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 5.19 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 32008   Henry Draper catalog identifier (meta.id)
CstEri  Constellation membership (meta.code.member)
Atlas 304  Millennium Star Atlas page number (meta.bib.page)
Coords04598s1026  RA, DE in compact format; n = + ; s = - (meta.id)
Name63 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)
rSpType1999MSS...C05....0H  Reference for SpType (main.dat) (Note 24)   (meta.ref;pos.frame)
r_RV588  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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