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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=21242
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ColumnValue  Explain   (UCD)
_RAJ200004 34 11.6283376 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-08 13 52.862247 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 31 46.9994103 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-08 20 04.532415 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon204.1038531174 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-34.1795087817 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
21242recno 21242  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 21296  (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)
RAJ2000068.54850713 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.18 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-08.23135935 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.15 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 3.28 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.26 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -22.69 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 3.59 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)
GLon204.10385636 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-34.17950810 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 302.60 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 7.9 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -13.60 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -18.52 mas/yr Proper motion in GLat (pos.pm)
X-228.5 pc Heliocentric distance towards Gal. center (pos.distance)
Y -102.2 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z-170.0 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7631 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 33.0 km/s Transverse velocity (phys.veloc)
SpTypeM0/1 III  Spectral type (MK, HD, or other) (src.spType)
Tc 70   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc3   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV -11.11 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.64 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 14.0 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V 27.7 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -15.7 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 34.8 km/s Total heliocentric velocity (phys.veloc)
Dmin 286.74 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin 2718 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.5180   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 20.7 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 15485 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b13245 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 8021 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L11329 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7463 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 23506 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 5.263 mag Median magnitude in Hipparcos system (phot.mag;em.opt.V)
e_Hpmag 0.007 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 5.30 mag Hpmag at minimum (95th percentile) (phot.mag;em.IR.H)
Per  d Variability period (src.var)
HvarU mag [CDMPRU] Variability type (Note 21)   (meta.code;src.var)
Umag  mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 6.908 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 5.20 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 3.233 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 1.755 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.294 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 0.897 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.318 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 0.676 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.352 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS04341163-0813529  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 1.708 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.017 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 2.16 mag Color index in Cousins' system (phot.color;em.opt.V;em.opt.I)
e_V-I 0.05 mag Standard error on V-I (stat.error;phot.color;em.opt.V)
HpMag-2.141 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-0.50 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-2.20 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-4.17 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-5.65 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-6.51 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -6.73 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum  Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 5.08 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 29064   Henry Draper catalog identifier (meta.id)
CstEri  Constellation membership (meta.code.member)
Atlas 281  Millennium Star Atlas page number (meta.bib.page)
Coords04342s0823  RA, DE in compact format; n = + ; s = - (meta.id)
Name47 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_RV535  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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