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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=23176
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ColumnValue  Explain   (UCD)
_RAJ200004 59 55.7367793 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-12 32 14.698268 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 57 36.2363792 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-12 36 35.020599 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon211.9404959875 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-30.3446384610 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
23176recno 23176  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 23231  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
Comp   Component(s) (Note 1)   (meta.code.multip)
Classes*,V*,IR,UV  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000074.98213778 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.17 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-12.53720463 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.14 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 11.24 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.23 mas Standard error on Plx (stat.error;pos.parallax)
pmRA 39.68 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.17 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -87.04 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.15 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)
GLon211.94049905 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-30.34463760 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 88.92 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 2.0 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon 95.66 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat 0.39 mas/yr Proper motion in GLat (pos.pm)
X -65.1 pc Heliocentric distance towards Gal. center (pos.distance)
Y -40.6 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z -44.9 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7465 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 40.3 km/s Transverse velocity (phys.veloc)
SpTypeA8IV  Spectral type (MK, HD, or other) (src.spType)
Tc 38   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc4   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV -8.90 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 4.20 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 27.8 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -30.2 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W 4.6 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 41.3 km/s Total heliocentric velocity (phys.veloc)
Dmin 86.83 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin 454 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.2327   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 125.2 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 6835 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 6647 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 1590 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 6465 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin5245 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 8425 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 4.851 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 4.84 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 4.86 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  mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 5.047 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 4.78 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 4.479 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 4.035 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.224 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 4.132 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.076 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 4.005 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.036 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS04595574-1232148  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MDEE  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V 0.267 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.009 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 0.33 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 0.106 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 0.30 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 0.03 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-0.27 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-0.71 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-0.61 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -0.74 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 80.17 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 4.73 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 32045   Henry Draper catalog identifier (meta.id)
CstEri  Constellation membership (meta.code.member)
Atlas 304  Millennium Star Atlas page number (meta.bib.page)
Coords04599s1254  RA, DE in compact format; n = + ; s = - (meta.id)
Name64 S 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)
rSpType1995ApJS...99..135A  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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