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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=22271
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ColumnValue  Explain   (UCD)
_RAJ200004 48 32.5332195 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-16 19 46.151626 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 46 17.4237097 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-16 25 00.312531 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon214.7832679257 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-34.3717384923 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
22271recno 22271  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 22325  (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)
RAJ2000072.13553601 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.21 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-16.32958116 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.21 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 23.97 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.36 mas Standard error on Plx (stat.error;pos.parallax)
pmRA 7.53 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.33 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 38.92 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.29 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)
GLon214.78327108 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-34.37173758 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 41.71 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 1.5 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -33.25 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat 21.58 mas/yr Proper motion in GLat (pos.pm)
X -28.3 pc Heliocentric distance towards Gal. center (pos.distance)
Y -19.6 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z -23.5 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7428 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 7.8 km/s Transverse velocity (phys.veloc)
SpTypeF8 V  Spectral type (MK, HD, or other) (src.spType)
Tc 48   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc5   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 33.50 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] 0.05 [Sun] Iron abundance (phys.abund.Fe)
e_[Fe/H] 0.03 [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 2.2 Gyr Age, in billions of years (time.age)
b_age 2.1 Gyr Lower confidence limit on age (time.age;stat.fit.param)
B_age 2.3 Gyr Upper confidence limit on age (time.age;stat.fit.param)
U -28.4 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -11.7 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -15.4 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 34.4 km/s Total heliocentric velocity (phys.veloc)
Dmin 9.50 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin-1154 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.0754   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi -64.0 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 7718 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 7696 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 582 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 7674 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7136 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 8300 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 5.877 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 5.87 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 5.89 mag Hpmag at minimum (95th percentile) (phot.mag;em.IR.H)
Per  d Variability period (src.var)
Hvar  mag [CDMPRU] Variability type (Note 21)   (meta.code;src.var)
Umag  mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 6.297 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 5.76 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 5.231 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 4.927 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.254 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 4.548 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 4.470 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.021 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS04483254-1619462  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MDDA  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V 0.537 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.008 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 0.59 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 2.776 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 3.20 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 2.66 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 2.13 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag 1.83 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag 1.45 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag 1.37 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 7.81 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 2.55 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 30606   Henry Draper catalog identifier (meta.id)
CstEri  Constellation membership (meta.code.member)
Atlas 328  Millennium Star Atlas page number (meta.bib.page)
Coords04485s1633  RA, DE in compact format; n = + ; s = - (meta.id)
Name59 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)
rSpType1988MSS...C04....0H  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]001,039,059,139  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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