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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=45192
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ColumnValue  Explain   (UCD)
_RAJ200009 14 21.8675302 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+02 18 51.380817 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195009 11 45.8205100 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+02 31 34.724137 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon228.7712644075 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+32.5295494489 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
45192recno 45192  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 45336  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
CompA  Component(s) (Note 1)   (meta.code.multip)
Classes*,PM*,UV,X,**,IR  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000138.59080529 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 1.00 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000+02.31502422 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.74 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 25.34 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.97 mas Standard error on Plx (stat.error;pos.parallax)
pmRA 127.20 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.30 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -309.30 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.30 mas/yr Standard error on pmDE (stat.error;pos.pm;pos.eq.dec)
r_HIP1   [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)
GLon228.77126610 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat 32.52955064 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 39.39 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 3.8 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon 330.61 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -50.44 mas/yr Proper motion in GLat (pos.pm)
X -21.9 pc Heliocentric distance towards Gal. center (pos.distance)
Y -25.0 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z 21.2 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7422 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 62.5 km/s Transverse velocity (phys.veloc)
SpTypeA0V  Spectral type (MK, HD, or other) (src.spType)
Tc 30   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc5   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV -10.70 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.30 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H]-0.42 [Sun] Iron abundance (phys.abund.Fe)
e_[Fe/H] 0.04 [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  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 49.0 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -37.7 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -13.7 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 63.4 km/s Total heliocentric velocity (phys.veloc)
Dmin 38.83 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin 103 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.3393   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 127.3 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 6663 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 6268 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 2261 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 5896 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin4402 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 8923 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 3.871 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 3.86 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 3.88 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 3.830 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 3.89 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag 3.90 mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 4.000 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 3.455 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.182 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 4.040 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.020 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 3.943 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.016 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS09142189+0218511  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MCEA  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V-0.060 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.000 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I-0.07 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 0.900 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 0.86 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 0.92 mag Absolute Magnitude in Johnson V (Note 23)   (phys.magAbs;em.opt.V)
RMag 0.93 mag Absolute Magnitude in R (Note 23)   (phys.magAbs;em.opt.R)
IMag 1.03 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag 0.48 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag 1.07 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag 0.97 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 52.11 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 3.86 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 79469   Henry Draper catalog identifier (meta.id)
CstHya  Constellation membership (meta.code.member)
Atlas 783  Millennium Star Atlas page number (meta.bib.page)
Coords09144n0232  RA, DE in compact format; n = + ; s = - (meta.id)
Name22 Theta Hydrae  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompIDCCDM J09144+0219  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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