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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=76348
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ColumnValue  Explain   (UCD)
_RAJ200015 38 39.3694966 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-29 46 39.895613 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195015 35 34.7400413 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-29 36 53.428776 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon341.0645267802 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+20.4482140269 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
76348recno 76348  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 76600  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
Comp   Component(s) (Note 1)   (meta.code.multip)
Classes*,IR,UV,SB*,SB*  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000234.66410140 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)
DEJ2000-29.77768933 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)
Plx 8.89 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.20 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -22.08 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.22 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -24.46 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.22 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)
GLon341.06452964 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat 20.44821448 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 112.42 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 2.2 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -32.58 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -4.95 mas/yr Proper motion in GLat (pos.pm)
X 99.6 pc Heliocentric distance towards Gal. center (pos.distance)
Y -34.2 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z 39.3 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7301 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 17.6 km/s Transverse velocity (phys.veloc)
SpTypeB2.5 V  Spectral type (MK, HD, or other) (src.spType)
Tc 22   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc5   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV -14.00 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 10.00 km/s Standard error on RV (Note 12)   (stat.error)
q_RVD   [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 -17.2 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -12.5 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -7.4 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 22.5 km/s Total heliocentric velocity (phys.veloc)
Dmin 87.90 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin 3051 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.0128   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi -57.8 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 7351 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 7351 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 94 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 7350 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7258 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 7445 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 3.600 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 3.59 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 3.61 mag Hpmag at minimum (95th percentile) (phot.mag;em.IR.H)
Per  d Variability period (src.var)
Hvar  mag [CDMPRU] Variability type (Note 21)   (meta.code;src.var)
Umag  mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 3.483 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 3.66 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 3.808 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 3.990 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.230 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 4.046 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.212 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 4.120 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.027 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS15383936-2946400  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MDCE  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V-0.177 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-0.18 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-1.654 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-1.77 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-1.59 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-1.45 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-1.26 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-1.21 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -1.13 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 1237.28 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 3.13 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD139365   Henry Draper catalog identifier (meta.id)
CstLib  Constellation membership (meta.code.member)
Atlas 883  Millennium Star Atlas page number (meta.bib.page)
Coords15387s2978  RA, DE in compact format; n = + ; s = - (meta.id)
Name40 Tau Librae (HR 5812)  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)
rSpType1982MSS...C03....0H  Reference for SpType (main.dat) (Note 24)   (meta.ref;pos.frame)
r_RV551  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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