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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=21224
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ColumnValue  Explain   (UCD)
_RAJ200004 33 54.7273350 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-06 44 20.082778 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 31 28.3864633 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-06 50 32.450659 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon202.4740668006 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-33.5463377023 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
21224recno 21224  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 21278  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
CompAB  Component(s) (Note 1)   (meta.code.multip)
Classes**,*,V*,a2*,IR,UV  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000068.47804023 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.45 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-06.73889623 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.26 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 3.94 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.52 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -3.95 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.48 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -6.44 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.36 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)
GLon202.47407004 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-33.54633707 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 248.61 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist13.2 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon 3.81 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -6.52 mas/yr Proper motion in GLat (pos.pm)
X-191.5 pc Heliocentric distance towards Gal. center (pos.distance)
Y -79.2 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z-137.4 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7593 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 8.9 km/s Transverse velocity (phys.veloc)
SpTypeB9 P SI  Spectral type (MK, HD, or other) (src.spType)
Tc 29   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc1   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 1.70 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 2.90 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 4.3 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -3.1 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -7.3 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 9.1 km/s Total heliocentric velocity (phys.veloc)
Dmin 244.20 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin-5033 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.1751   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 37.0 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 8928 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 8790 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 1563 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 8654 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7365 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 10491 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 5.678 mag Median magnitude in Hipparcos system (phot.mag;em.opt.V)
e_Hpmag 0.002 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 5.66 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 5.69 mag Hpmag at minimum (95th percentile) (phot.mag;em.IR.H)
Per 3.80 d Variability period (src.var)
HvarP mag [CDMPRU] Variability type (Note 21)   (meta.code;src.var)
Umag  mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 5.582 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 5.71 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 5.826 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 5.887 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.021 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 5.966 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.023 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 5.970 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.018 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS04335473-0644201  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MAAA  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V-0.128 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.004 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I-0.12 mag Color index in Cousins' system (phot.color;em.opt.V;em.opt.I)
e_V-I 0.01 mag Standard error on V-I (stat.error;phot.color;em.opt.V)
HpMag-1.299 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-1.40 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-1.27 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-1.15 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-1.09 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-1.01 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -1.01 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 595.17 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 5.67 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 29009   Henry Draper catalog identifier (meta.id)
CstEri  Constellation membership (meta.code.member)
Atlas 281  Millennium Star Atlas page number (meta.bib.page)
Coords04339s0674  RA, DE in compact format; n = + ; s = - (meta.id)
Name46 Eridani  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompIDCCDM J04339-0644  Reference for Comp (main.dat) (meta.id)
rSpType1969AJ.....74..375C  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]   Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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