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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=23885
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ColumnValue  Explain   (UCD)
_RAJ200005 08 43.6994865 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-04 27 22.342707 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195005 06 14.8813073 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-04 31 10.845194 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon204.8347721852 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-24.8282805719 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
23885recno 23885  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 23941  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
Comp   Component(s) (Note 1)   (meta.code.multip)
Classes*,IR,UV  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000077.18194467 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.22 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-04.45624612 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.18 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 39.28 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.27 mas Standard error on Plx (stat.error;pos.parallax)
pmRA 56.00 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.28 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 16.38 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.23 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)
GLon204.83477513 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-24.82827988 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 25.46 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 0.7 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon 11.73 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat 57.15 mas/yr Proper motion in GLat (pos.pm)
X -21.0 pc Heliocentric distance towards Gal. center (pos.distance)
Y -9.7 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z -10.7 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7421 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 7.0 km/s Transverse velocity (phys.veloc)
SpTypeF5.5V Fe-0.7  Spectral type (MK, HD, or other) (src.spType)
Tc 45   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc5   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 10.00 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.20 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H]-0.29 [Sun] Iron abundance (phys.abund.Fe)
e_[Fe/H] 0.01 [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 2.6 Gyr Age, in billions of years (time.age)
b_age 2.4 Gyr Lower confidence limit on age (time.age;stat.fit.param)
B_age 2.8 Gyr Upper confidence limit on age (time.age;stat.fit.param)
U -10.3 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -6.3 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W 2.1 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 12.2 km/s Total heliocentric velocity (phys.veloc)
Dmin 14.66 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin-1664 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.0874   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 12.8 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 8115 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 8084 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 709 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 8053 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7406 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 8824 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 5.214 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 5.21 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 5.22 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 5.565 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 5.11 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 4.620 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 4.328 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.226 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 3.925 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.218 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 3.927 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.292 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS05084368-0427225  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 0.455 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.026 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 0.55 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 3.184 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 3.54 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 3.08 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 2.59 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag 2.30 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag 1.90 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag 1.90 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 4.98 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 3.91 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 33256   Henry Draper catalog identifier (meta.id)
CstEri  Constellation membership (meta.code.member)
Atlas 279  Millennium Star Atlas page number (meta.bib.page)
Coords05087s0446  RA, DE in compact format; n = + ; s = - (meta.id)
Name68 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)
rSpType2003AJ....126.2048G  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]001,003,022,039,059,114,129,131,136,146  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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