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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=16495
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ColumnValue  Explain   (UCD)
_RAJ200003 32 55.8444139 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-09 27 29.743340 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 30 34.3628749 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-09 37 34.659696 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon195.8464868400 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-48.0492799198 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
16495recno 16495  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 16537  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
CompA  Component(s) (Note 1)   (meta.code.multip)
Classes**,V*,UV,X,*,PM*,BY*,IR  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000053.23509022 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.14 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-09.45830604 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.11 mas Standard error on DE (stat.error;pos.eq.dec)
Plx310.94 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.16 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -976.10 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.30 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 18.10 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.40 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)
GLon195.84649077 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-48.04927945 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 3.22 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 0.1 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -509.68 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -832.66 mas/yr Proper motion in GLat (pos.pm)
X -2.1 pc Heliocentric distance towards Gal. center (pos.distance)
Y -0.6 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z -2.4 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7402 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 14.9 km/s Transverse velocity (phys.veloc)
SpTypeK2V (k)  Spectral type (MK, HD, or other) (src.spType)
Tc 62   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc5   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 16.43 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.09 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H]-0.06 [Sun] Iron abundance (phys.abund.Fe)
e_[Fe/H] 9.99 [Sun] Standard error on [Fe/H] (Note 14)   (stat.error;phys.abund.Fe)
q_[Fe/H]B   [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 -3.6 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V 7.1 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -20.7 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 22.2 km/s Total heliocentric velocity (phys.veloc)
Dmin 2.16 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin -105 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.2277   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 13.7 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 9533 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 9283 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 2171 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 9039 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7363 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 11704 pc Orbital radius at apocenter (Note 18)   (pos.distance;src.orbital)
Npl1   Number of exoplanets (known in April 2012) (meta.number)
MplRA  Exoplanet discovery method(s) (Note 19)   (meta.code;obs)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref)

Hpmag 3.865 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 3.86 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 3.88 mag Hpmag at minimum (95th percentile) (phot.mag;em.IR.H)
Per  d Variability period (src.var)
HvarM mag [CDMPRU] Variability type (Note 21)   (meta.code;src.var)
Umag  mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 4.601 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 3.72 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 2.887 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 2.228 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.298 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 1.880 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.276 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 1.776 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.286 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS03325591-0927298  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MDDD  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V 0.881 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.007 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 0.94 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 6.329 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 7.06 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 6.18 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 5.35 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag 4.69 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag 4.34 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag 4.24 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 0.37 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 2.87 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 22049   Henry Draper catalog identifier (meta.id)
CstEri  Constellation membership (meta.code.member)
Atlas 308  Millennium Star Atlas page number (meta.bib.page)
Coords03329s0946  RA, DE in compact format; n = + ; s = - (meta.id)
Name18 Epsilon Eridani  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompIDCCDM J03329-0927  Reference for Comp (main.dat) (meta.id)
rSpType2006AJ....132..161G  Reference for SpType (main.dat) (Note 24)   (meta.ref;pos.frame)
r_RV604,694,577  Reference for RV (main.dat) (meta.ref;pos.frame)
r_[Fe/H]003,009,014,017,022,025,026,035,039,040,041,046,050,051,052,057,058,067,072,092,101,149  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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