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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=23738
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ColumnValue  Explain   (UCD)
_RAJ200005 06 45.6531367 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-04 39 18.593877 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195005 04 17.2039388 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-04 43 14.591205 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon204.7757044998 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-25.3545865745 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
23738recno 23738  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 23794  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
CompA  Component(s) (Note 1)   (meta.code.multip)
ClassesV*,a2*,X,*,UV,**,SB*,IR  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000076.69019531 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.29 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-04.65516307 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.27 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 10.56 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.34 mas Standard error on Plx (stat.error;pos.parallax)
pmRA 10.70 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.38 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -0.78 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.35 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_pm1   [1/3] Reference for proper motion (Note 5)   (meta.ref;pos.frame)
GLon204.77570746 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-25.35458588 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 94.58 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 3.2 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon 5.69 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat 9.09 mas/yr Proper motion in GLat (pos.pm)
X -77.6 pc Heliocentric distance towards Gal. center (pos.distance)
Y -35.8 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z -40.5 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7478 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 4.8 km/s Transverse velocity (phys.veloc)
SpTypeB9 V  Spectral type (MK, HD, or other) (src.spType)
Tc 29   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc5   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 32.60 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 2.80 km/s Standard error on RV (Note 12)   (stat.error)
q_RVD   [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 -27.3 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -15.4 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -10.3 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 33.0 km/s Total heliocentric velocity (phys.veloc)
Dmin 13.81 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin-2776 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.0593   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi -86.5 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 7531 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 7518 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 447 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 7505 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7084 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 7978 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 5.092 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 5.08 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 5.10 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 4.890 mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 5.061 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 5.12 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 5.162 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 5.228 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.037 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 5.221 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.020 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 5.203 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.023 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS05064565-0439186  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-0.059 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.003 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 0.03 mag Standard error on V-I (stat.error;phot.color;em.opt.V)
HpMag 0.213 mag Absolute Magnitude of Hpmag (Note 23)   (phot.mag;em.IR.H)
UMag 0.011 mag Absolute Magnitude in Johnson U (Note 23)   (phot.mag;em.opt.U)
BMag 0.18 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 0.24 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 0.28 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag 0.35 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag 0.34 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag 0.32 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 97.27 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 0.94 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 32964   Henry Draper catalog identifier (meta.id)
CstEri  Constellation membership (meta.code.member)
Atlas 279  Millennium Star Atlas page number (meta.bib.page)
Coords05068s0466  RA, DE in compact format; n = + ; s = - (meta.id)
Name66 Eridani  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompIDCCDM J05068-0439  Reference for Comp (main.dat) (meta.id)
rSpType1999MSS...C05....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]   Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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