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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=20482
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ColumnValue  Explain   (UCD)
_RAJ200004 24 02.2152978 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-34 01 00.668194 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 22 09.4081750 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-34 07 54.825522 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon235.1727236461 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-44.2272752977 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
20482recno 20482  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 20535  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
Comp   Component(s) (Note 1)   (meta.code.multip)
Classes*,IR  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000066.00902221 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.25 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-34.01698620 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.31 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 11.01 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.37 mas Standard error on Plx (stat.error;pos.parallax)
pmRA 71.00 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.70 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 55.10 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.70 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_pm2   [1/3] Reference for proper motion (Note 5)   (meta.ref;pos.frame)
GLon235.17272677 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-44.22727401 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 90.70 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 3.4 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -46.90 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat 76.66 mas/yr Proper motion in GLat (pos.pm)
X -37.1 pc Heliocentric distance towards Gal. center (pos.distance)
Y -53.4 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z -63.3 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7437 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 38.6 km/s Transverse velocity (phys.veloc)
SpTypeK3.5III  Spectral type (MK, HD, or other) (src.spType)
Tc 63   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc3   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 24.10 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.70 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H]-0.14 [Sun] Iron abundance (phys.abund.Fe)
e_[Fe/H] 0.06 [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  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 -39.5 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -21.5 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W 6.8 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 45.5 km/s Total heliocentric velocity (phys.veloc)
Dmin 76.96 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin-1031 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.1241   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi-115.9 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 7144 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 7089 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 886 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 7034 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin6257 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 8030 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 4.094 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 4.08 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 4.11 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 5.438 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 3.97 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 2.602 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 1.403 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.280 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 0.621 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.322 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 0.427 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.356 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS04240221-3401006  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 1.468 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.052 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 1.53 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-0.694 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 0.65 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-0.82 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-2.19 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-3.39 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-4.17 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -4.36 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 476.48 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 3.61 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 28028   Henry Draper catalog identifier (meta.id)
CstEri  Constellation membership (meta.code.member)
Atlas 398  Millennium Star Atlas page number (meta.bib.page)
Coords04240s3402  RA, DE in compact format; n = + ; s = - (meta.id)
Name43 d 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)
rSpType1989ApJS...71..245K  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]138  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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