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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=19798
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ColumnValue  Explain   (UCD)
_RAJ200004 15 16.3197269 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-07 39 10.338089 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 12 58.1654775 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-07 43 45.863295 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon200.7468074775 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-38.0390587393 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
19798recno 19798  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 19849  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
CompA  Component(s) (Note 1)   (meta.code.multip)
ClassesFl*,IR,UV,X,**,*,PM*,V*  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000063.82349253 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)
DEJ2000-07.64455857 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)
Plx200.62 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.23 mas Standard error on Plx (stat.error;pos.parallax)
pmRA-2240.12 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.23 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE-3420.27 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.20 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)
GLon200.74681089 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-38.03905815 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 4.98 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 0.1 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon 1928.77 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat-3605.03 mas/yr Proper motion in GLat (pos.pm)
X -3.7 pc Heliocentric distance towards Gal. center (pos.distance)
Y -1.4 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z -3.1 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7404 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 96.6 km/s Transverse velocity (phys.veloc)
SpTypeK0.5V  Spectral type (MK, HD, or other) (src.spType)
Tc 60   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc5   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV -42.32 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.08 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H]-0.24 [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 96.4 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -12.2 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -41.0 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW105.5 km/s Total heliocentric velocity (phys.veloc)
Dmin 4.57 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin 19 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.5400   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 84.7 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 10977 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 9239 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 5928 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 7776 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin5050 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 16905 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 4.562 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 4.55 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 4.59 mag Hpmag at minimum (95th percentile) (phot.mag;em.IR.H)
Per  d Variability period (src.var)
HvarU mag [CDMPRU] Variability type (Note 21)   (meta.code;src.var)
Umag  mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 5.250 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 4.43 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 3.540 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 3.013 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.238 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 2.594 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.198 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 2.498 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.236 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS04151651-0739068  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MDCD  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V 0.820 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.000 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 0.89 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 6.073 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 6.76 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 5.94 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 5.05 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag 4.52 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag 4.11 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag 4.01 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 0.44 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 4.24 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 26965   Henry Draper catalog identifier (meta.id)
CstEri  Constellation membership (meta.code.member)
Atlas 282  Millennium Star Atlas page number (meta.bib.page)
Coords04153s0764  RA, DE in compact format; n = + ; s = - (meta.id)
Name40 Omicron-2 Eridani (Keid)  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompIDCCDM J04153-0739  Reference for Comp (main.dat) (meta.id)
rSpType2006AJ....132..161G  Reference for SpType (main.dat) (Note 24)   (meta.ref;pos.frame)
r_RV604,577  Reference for RV (main.dat) (meta.ref;pos.frame)
r_[Fe/H]003,009,014,015,017,022,025,026,039,040,041,046,050,052,057,072,101  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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