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V/137D/XHIP Extended Hipparcos Compilation (XHIP) (Anderson+, 2012)
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XHIP catalog: astrometry, spectrography, space motions, exoplanets, photometry, and references (117955 rows) 		  recno=49513
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ColumnValue  Explain   (UCD)
_RAJ200010 08 22.3109849 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+11 58 01.951594 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195010 05 42.6427395 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+12 12 44.564881 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon226.4277896536 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+48.9347349449 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
49513recno 49513  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
HIP 49669  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
CompA  Component(s) (Note 1)   (meta.code.multip)
Classes*,PM*,V*,IR,UV,X,**  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000152.09358042 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.32 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000+11.96719519 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.21 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 41.13 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.35 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -248.73 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.35 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 5.59 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.21 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)
GLon226.42779079 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat 48.93473609 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 24.31 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 0.9 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -120.92 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -217.43 mas/yr Proper motion in GLat (pos.pm)
X -11.0 pc Heliocentric distance towards Gal. center (pos.distance)
Y -11.6 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z 18.3 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7411 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 28.7 km/s Transverse velocity (phys.veloc)
SpTypeB8IVn  Spectral type (MK, HD, or other) (src.spType)
Tc 28   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc4   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 5.90 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 2.40 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H] 0.21 [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 -25.8 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -6.9 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -12.0 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 29.3 km/s Total heliocentric velocity (phys.veloc)
Dmin 23.81 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin -164 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.0957   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi -36.5 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 8055 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 8018 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 771 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 7981 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7284 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 8826 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 1.323 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 1.31 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 1.34 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 1.273 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 1.36 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag 1.40 mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 1.500 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 1.665 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.314 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 1.658 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.186 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 1.640 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.212 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS10082229+1158018  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MDCC  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V-0.087 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-0.10 mag Color index in Cousins' system (phot.color;em.opt.V;em.opt.I)
e_V-I 0.01 mag Standard error on V-I (stat.error;phot.color;em.opt.V)
HpMag-0.606 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-0.66 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-0.57 mag Absolute Magnitude in Johnson V (Note 23)   (phys.magAbs;em.opt.V)
RMag-0.53 mag Absolute Magnitude in R (Note 23)   (phys.magAbs;em.opt.R)
IMag-0.43 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-0.26 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-0.27 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -0.29 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 239.45 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 1.31 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 87901   Henry Draper catalog identifier (meta.id)
CstLeo  Constellation membership (meta.code.member)
Atlas 732  Millennium Star Atlas page number (meta.bib.page)
Coords10084n1197  RA, DE in compact format; n = + ; s = - (meta.id)
Name32 Alpha Leonis (Regulus)  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompIDCCDM J10083+1159  Reference for Comp (main.dat) (meta.id)
rSpType2003AJ....126.2048G  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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