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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=51297
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ColumnValue  Explain   (UCD)
_RAJ200010 30 37.5790412 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+55 58 49.935991 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195010 27 26.4528174 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+56 14 15.676955 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon154.2913146986 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+51.7028583523 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
51297recno 51297  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 51459  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
CompA  Component(s) (Note 1)   (meta.code.multip)
Classes**,*i*,PM*,IR,UV,X,*  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000157.65735133 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.17 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000+55.98061750 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.17 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 78.25 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.28 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -177.70 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.70 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -32.80 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.80 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)
GLon154.29131524 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat 51.70285774 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 12.78 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 0.4 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon 126.84 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -128.71 mas/yr Proper motion in GLat (pos.pm)
X -7.1 pc Heliocentric distance towards Gal. center (pos.distance)
Y 3.4 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z 10.0 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7407 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 10.9 km/s Transverse velocity (phys.veloc)
SpTypeF8V  Spectral type (MK, HD, or other) (src.spType)
Tc 48   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc5   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 8.69 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.09 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H]-0.11 [Sun] Iron abundance (phys.abund.Fe)
e_[Fe/H] 0.01 [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 1.2 Gyr Age, in billions of years (time.age)
b_age  Gyr Lower confidence limit on age (time.age;stat.fit.param)
B_age 3.6 Gyr Upper confidence limit on age (time.age;stat.fit.param)
U -13.7 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -1.9 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W 2.0 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 14.0 km/s Total heliocentric velocity (phys.veloc)
Dmin 10.01 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin -556 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.1269   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 0.1 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 8484 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 8415 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 1077 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 8347 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7407 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 9560 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 4.937 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 4.93 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 4.95 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 5.361 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 4.82 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag 4.50 mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 4.300 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 4.033 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.218 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 3.758 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.198 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 3.644 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.222 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS10303759+5558501  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MDCD  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V 0.541 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.008 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 0.58 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 4.404 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 4.83 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 4.29 mag Absolute Magnitude in Johnson V (Note 23)   (phys.magAbs;em.opt.V)
RMag 3.97 mag Absolute Magnitude in R (Note 23)   (phys.magAbs;em.opt.R)
IMag 3.77 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag 3.50 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag 3.23 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag 3.11 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 1.69 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 4.30 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 90839   Henry Draper catalog identifier (meta.id)
CstUMa  Constellation membership (meta.code.member)
Atlas 577  Millennium Star Atlas page number (meta.bib.page)
Coords10306n5598  RA, DE in compact format; n = + ; s = - (meta.id)
Name36 Ursae Majoris (HR 4112)  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompIDCCDM J10306+5559  Reference for Comp (main.dat) (meta.id)
rSpType2003AJ....126.2048G  Reference for SpType (main.dat) (Note 24)   (meta.ref;pos.frame)
r_RV604,577  Reference for RV (main.dat) (meta.ref;pos.frame)
r_[Fe/H]001,022,025,026,039,040,041,046,050,057,081  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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