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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=7963
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ColumnValue  Explain   (UCD)
_RAJ200001 42 29.3150961 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-53 44 27.001071 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195001 40 33.8512945 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-53 59 27.483263 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon286.8979141161 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-61.7698153290 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
7963recno 7963  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 7978  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
Comp   Component(s) (Note 1)   (meta.code.multip)
Classes*,IR,UV  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000025.62146269 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.18 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-53.74057473 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.22 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 57.36 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.25 mas Standard error on Plx (stat.error;pos.parallax)
pmRA 166.33 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.24 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -106.52 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.27 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)
GLon286.89791551 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-61.76981388 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 17.43 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 0.4 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -107.01 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat 166.01 mas/yr Proper motion in GLat (pos.pm)
X 2.4 pc Heliocentric distance towards Gal. center (pos.distance)
Y -7.9 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z -15.4 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7398 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 16.3 km/s Transverse velocity (phys.veloc)
SpTypeF9V  Spectral type (MK, HD, or other) (src.spType)
Tc 49   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc5   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 28.40 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.47 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H]-0.05 [Sun] Iron abundance (phys.abund.Fe)
e_[Fe/H] 0.01 [Sun] Standard error on [Fe/H] (Note 14)   (stat.error;phys.abund.Fe)
q_[Fe/H]A   [ABC] Quality flag on [Fe/H] (Note 15)   (meta.code.qual;phys.abund.Fe)
age 1.9 Gyr Age, in billions of years (time.age)
b_age  Gyr Lower confidence limit on age (time.age;stat.fit.param)
B_age 4.1 Gyr Upper confidence limit on age (time.age;stat.fit.param)
U -1.0 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -27.0 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -18.5 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 32.8 km/s Total heliocentric velocity (phys.veloc)
Dmin 8.69 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin -451 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.1259   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 152.3 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 6678 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 6625 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 841 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 6572 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin5837 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 7520 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 5.638 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 5.63 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 5.65 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 6.071 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 5.52 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 4.961 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 4.791 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.226 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 4.399 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.234 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 4.340 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.276 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS01422932-5344271  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 0.551 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 0.62 mag Color index in Cousins' system (phot.color;em.opt.V;em.opt.I)
e_V-I 0.00 mag Standard error on V-I (stat.error;phot.color;em.opt.V)
HpMag 4.431 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 4.86 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 4.31 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 3.75 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag 3.58 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag 3.19 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag 3.13 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 1.66 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 4.01 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 10647   Henry Draper catalog identifier (meta.id)
CstEri  Constellation membership (meta.code.member)
Atlas 463  Millennium Star Atlas page number (meta.bib.page)
Coords01425s5374  RA, DE in compact format; n = + ; s = - (meta.id)
Nameq1 Eridani (HR 506)  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)
rSpType2006AJ....132..161G  Reference for SpType (main.dat) (Note 24)   (meta.ref;pos.frame)
r_RV577  Reference for RV (main.dat) (meta.ref;pos.frame)
r_[Fe/H]001,014,022,039,040,052,072  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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