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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=55462
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ColumnValue  Explain   (UCD)
_RAJ200011 23 55.4592860 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+10 31 46.341435 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195011 21 19.1473577 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+10 48 18.463296 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon247.5990157657 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+63.5479248808 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
55462recno 55462  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 55642  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
CompAB  Component(s) (Note 1)   (meta.code.multip)
ClassesUV,**,SB*,*,PM*,V*,IR  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000170.98070335 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.76 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000+10.52969776 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.57 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 42.24 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.83 mas Standard error on Plx (stat.error;pos.parallax)
pmRA 152.50 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 2.00 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -65.20 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 1.90 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_pm2   [1/3] Reference for proper motion (Note 5)   (meta.ref;pos.frame)
GLon247.59901700 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat 63.54792632 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 23.66 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 2.0 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon 150.35 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat 70.01 mas/yr Proper motion in GLat (pos.pm)
X -4.0 pc Heliocentric distance towards Gal. center (pos.distance)
Y -9.7 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z 21.2 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7404 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 18.6 km/s Transverse velocity (phys.veloc)
SpTypeF3V  Spectral type (MK, HD, or other) (src.spType)
Tc 43   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc5   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV -11.80 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.20 km/s Standard error on RV (Note 12)   (stat.error)
q_RVD   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H] 0.14 [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 1.4 Gyr Age, in billions of years (time.age)
b_age 1.3 Gyr Lower confidence limit on age (time.age;stat.fit.param)
B_age 1.5 Gyr Upper confidence limit on age (time.age;stat.fit.param)
U 20.3 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V 4.9 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -7.1 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 22.0 km/s Total heliocentric velocity (phys.veloc)
Dmin 19.98 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin 563 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.2646   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 42.6 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 9513 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 9174 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 2517 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 8847 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin6996 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 12030 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 4.033 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 4.03 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 4.10 mag Hpmag at minimum (95th percentile) (phot.mag;em.IR.H)
Per  d Variability period (src.var)
HvarD mag [CDMPRU] Variability type (Note 21)   (meta.code;src.var)
Umag  mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 4.423 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 4.00 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag 3.80 mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 3.600 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 3.082 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.212 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 2.840 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.220 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 2.790 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.232 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS11235546+1031459  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MCDD  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V 0.423 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.015 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 0.47 mag Color index in Cousins' system (phot.color;em.opt.V;em.opt.I)
e_V-I 0.03 mag Standard error on V-I (stat.error;phot.color;em.opt.V)
HpMag 2.163 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 2.55 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 2.13 mag Absolute Magnitude in Johnson V (Note 23)   (phys.magAbs;em.opt.V)
RMag 1.93 mag Absolute Magnitude in R (Note 23)   (phys.magAbs;em.opt.R)
IMag 1.73 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag 1.21 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag 0.97 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag 0.92 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 11.86 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 3.63 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 99028   Henry Draper catalog identifier (meta.id)
CstLeo  Constellation membership (meta.code.member)
Atlas 728  Millennium Star Atlas page number (meta.bib.page)
Coords11239n1053  RA, DE in compact format; n = + ; s = - (meta.id)
Name78 Iota Leonis  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompIDCCDM J11239+1032  Reference for Comp (main.dat) (meta.id)
rSpType2009ApJS..180..117A  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]003,009,019,039,139  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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