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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=17414
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ColumnValue  Explain   (UCD)
_RAJ200003 44 30.5100086 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-01 09 47.141760 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 41 57.9526359 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 19 10.051276 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon188.3211074465 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-41.0848420087 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
17414recno 17414  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 17457  (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)
RAJ2000056.12711660 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.19 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-01.16307843 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 4.98 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.23 mas Standard error on Plx (stat.error;pos.parallax)
pmRA 3.47 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.26 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -6.79 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.26 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)
GLon188.32111107 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-41.08484174 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 200.29 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 4.6 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon 7.54 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -1.18 mas/yr Proper motion in GLat (pos.pm)
X-149.4 pc Heliocentric distance towards Gal. center (pos.distance)
Y -21.8 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z-131.6 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7550 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 7.2 km/s Transverse velocity (phys.veloc)
SpTypeB8 IV  Spectral type (MK, HD, or other) (src.spType)
Tc 28   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc4   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 27.00 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 7.40 km/s Standard error on RV (Note 12)   (stat.error)
q_RVB   [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 -18.4 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -9.9 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -18.6 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 28.0 km/s Total heliocentric velocity (phys.veloc)
Dmin 51.90 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin-6767 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.0723   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi -16.1 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 8117 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 8096 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 587 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 8075 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7530 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 8704 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 5.215 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 5.21 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 5.23 mag Hpmag at minimum (95th percentile) (phot.mag;em.IR.H)
Per  d Variability period (src.var)
HvarC mag [CDMPRU] Variability type (Note 21)   (meta.code;src.var)
Umag 4.760 mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 5.152 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 5.24 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 5.290 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 5.403 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.019 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 5.466 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.040 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 5.433 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)
2MASS03443051-0109471  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MEAA  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V-0.088 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.005 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I-0.07 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-1.293 mag Absolute Magnitude of Hpmag (Note 23)   (phot.mag;em.IR.H)
UMag-1.748 mag Absolute Magnitude in Johnson U (Note 23)   (phot.mag;em.opt.U)
BMag-1.36 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-1.22 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-1.11 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-1.04 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -1.08 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 455.95 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 2.31 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 23363   Henry Draper catalog identifier (meta.id)
CstEri  Constellation membership (meta.code.member)
Atlas 259  Millennium Star Atlas page number (meta.bib.page)
Coords03445s0116  RA, DE in compact format; n = + ; s = - (meta.id)
Name24 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_RV551  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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