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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=17125
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ColumnValue  Explain   (UCD)
_RAJ200003 40 38.3337076 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-05 12 38.554472 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 38 09.6461712 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-05 22 15.374200 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon192.0991122176 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-44.1829574298 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
17125recno 17125  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 17167  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
Comp   Component(s) (Note 1)   (meta.code.multip)
Classes*,V*,a2*,IR,UV  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000055.15972139 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.40 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-05.21069752 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.31 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 6.57 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.47 mas Standard error on Plx (stat.error;pos.parallax)
pmRA 0.98 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.47 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -4.96 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.41 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)
GLon192.09911598 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-44.18295706 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 151.28 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 7.2 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon 4.69 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -1.91 mas/yr Proper motion in GLat (pos.pm)
X-106.1 pc Heliocentric distance towards Gal. center (pos.distance)
Y -22.7 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z-105.4 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7507 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 3.6 km/s Transverse velocity (phys.veloc)
SpTypeB8 II  Spectral type (MK, HD, or other) (src.spType)
Tc 28   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc2   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 17.20 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.70 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H] 0.30 [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]C   [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 -10.4 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -5.7 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -13.0 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 17.6 km/s Total heliocentric velocity (phys.veloc)
Dmin 31.23 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin-8234 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.1051   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 11.2 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 8373 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 8327 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 880 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 8281 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7493 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 9254 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 5.482 mag Median magnitude in Hipparcos system (phot.mag;em.opt.V)
e_Hpmag 0.002 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 5.47 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 5.51 mag Hpmag at minimum (95th percentile) (phot.mag;em.IR.H)
Per 3.95 d Variability period (src.var)
HvarP mag [CDMPRU] Variability type (Note 21)   (meta.code;src.var)
Umag 4.810 mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 5.385 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 5.53 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 5.643 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 5.765 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.017 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 5.791 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.024 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 5.872 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.016 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS03403833-0512385  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MAAA  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V-0.145 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.006 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I-0.14 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-0.416 mag Absolute Magnitude of Hpmag (Note 23)   (phot.mag;em.IR.H)
UMag-1.089 mag Absolute Magnitude in Johnson U (Note 23)   (phot.mag;em.opt.U)
BMag-0.51 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-0.37 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-0.26 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-0.13 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-0.11 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -0.03 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 305.32 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 2.10 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 22920   Henry Draper catalog identifier (meta.id)
CstEri  Constellation membership (meta.code.member)
Atlas 283  Millennium Star Atlas page number (meta.bib.page)
Coords03406s0521  RA, DE in compact format; n = + ; s = - (meta.id)
Name22 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_RV564  Reference for RV (main.dat) (meta.ref;pos.frame)
r_[Fe/H]279  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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