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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=16828
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ColumnValue  Explain   (UCD)
_RAJ200003 37 05.6721912 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-40 16 28.460374 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 35 17.9293160 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-40 26 15.787659 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon244.8552961972 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-53.5139355337 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
16828recno 16828  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 16870  (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)
RAJ2000054.27365866 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.41 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-40.27451059 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.44 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 14.13 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.54 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -7.70 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 -25.40 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)
GLon244.85529934 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-53.51393412 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 70.65 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 3.8 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon 26.23 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -4.05 mas/yr Proper motion in GLat (pos.pm)
X -17.8 pc Heliocentric distance towards Gal. center (pos.distance)
Y -38.0 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z -56.8 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7418 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 8.9 km/s Transverse velocity (phys.veloc)
SpTypeK1III  Spectral type (MK, HD, or other) (src.spType)
Tc 61   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc3   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 11.50 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 2.80 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H] 0.07 [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 5.5 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -8.9 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -10.1 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 14.5 km/s Total heliocentric velocity (phys.veloc)
Dmin 43.20 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin-3760 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.1151   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 60.5 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 7943 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 7890 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 914 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 7838 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7029 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 8857 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 4.732 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 4.72 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 4.74 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 5.593 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 4.57 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 3.631 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 2.723 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.242 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 2.140 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.196 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 2.044 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.236 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS03370566-4016285  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MDCD  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V 1.023 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.028 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 1.07 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 0.487 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 1.35 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 0.32 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-0.61 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-1.52 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-2.11 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -2.20 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 91.92 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 3.50 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 22663   Henry Draper catalog identifier (meta.id)
CstEri  Constellation membership (meta.code.member)
Atlas 421  Millennium Star Atlas page number (meta.bib.page)
Coords03371s4027  RA, DE in compact format; n = + ; s = - (meta.id)
Namey 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)
rSpType1978MSS...C02....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]029  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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