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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=74539
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ColumnValue  Explain   (UCD)
_RAJ200015 17 00.4138198 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-09 22 58.491877 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195015 14 18.7327011 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-09 11 58.844736 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon352.0223715288 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+39.2341244100 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
74539recno 74539  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 74785  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
Comp*  Component(s) (Note 1)   (meta.code.multip)
Classes*,V*,IR,UV  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000229.25196592 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)
DEJ2000-09.38286665 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.10 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 17.62 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.16 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -98.10 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.18 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -19.65 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.15 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)
GLon352.02237508 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat 39.23412458 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 56.75 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 0.9 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -85.17 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat 52.50 mas/yr Proper motion in GLat (pos.pm)
X 43.5 pc Heliocentric distance towards Gal. center (pos.distance)
Y -6.1 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z 35.9 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7357 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 26.9 km/s Transverse velocity (phys.veloc)
SpTypeB7.5IV  Spectral type (MK, HD, or other) (src.spType)
Tc 27   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc4   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV -35.60 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 1.80 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H] 0.33 [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 -39.3 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -17.6 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -11.6 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 44.6 km/s Total heliocentric velocity (phys.veloc)
Dmin 34.22 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin 992 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.1223   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi-106.0 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 7216 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 7162 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 883 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 7108 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin6334 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 8099 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 2.574 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 2.57 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 2.58 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 2.539 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 2.61 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 2.678 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 2.761 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.292 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 2.894 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.252 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 2.905 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.270 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS15170043-0922584  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-0.071 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.004 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I-0.08 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-1.196 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-1.23 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-1.16 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-1.09 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-1.01 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-0.88 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -0.86 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 390.03 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 1.51 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD135742   Henry Draper catalog identifier (meta.id)
CstLib  Constellation membership (meta.code.member)
Atlas 813  Millennium Star Atlas page number (meta.bib.page)
Coords15170s0938  RA, DE in compact format; n = + ; s = - (meta.id)
Name27 Beta Librae (Zuben Elschemali)  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompIDWDS J15170-0923  Reference for Comp (main.dat) (meta.id)
rSpType2009A&A...501..297Z  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]003  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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