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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=74851
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ColumnValue  Explain   (UCD)
_RAJ200015 20 43.7160402 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+71 50 02.459569 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195015 20 47.3490932 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+72 00 42.996263 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon108.4633260396 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+40.8371800062 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
74851recno 74851  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 75097  (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)
RAJ2000230.18228839 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.11 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000+71.83397304 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 6.70 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.11 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -17.73 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.13 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 17.90 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.11 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)
GLon108.46332789 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat 40.83717857 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 149.21 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 1.6 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon 25.19 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat 0.10 mas/yr Proper motion in GLat (pos.pm)
X -35.8 pc Heliocentric distance towards Gal. center (pos.distance)
Y 107.1 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z 97.6 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7437 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 17.8 km/s Transverse velocity (phys.veloc)
SpTypeA2III  Spectral type (MK, HD, or other) (src.spType)
Tc 32   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc3   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV -3.90 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.60 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H]  [Sun] Iron abundance (phys.abund.Fe)
e_[Fe/H]  [Sun] Standard error on [Fe/H] (Note 14)   (stat.error;phys.abund.Fe)
q_[Fe/H]    [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 -16.0 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -8.5 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -2.5 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 18.2 km/s Total heliocentric velocity (phys.veloc)
Dmin 145.76 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin 1710 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.0692   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi -21.9 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 7953 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 7934 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 550 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 7915 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7403 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 8503 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 3.045 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 3.04 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 3.06 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 3.058 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 3.00 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 2.913 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 2.900 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.228 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 2.767 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.254 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 2.705 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.326 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS15204375+7150024  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 0.058 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.014 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 0.12 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-2.824 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-2.81 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-2.87 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-2.96 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-2.97 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-3.10 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -3.16 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 1257.68 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 2.95 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD137422   Henry Draper catalog identifier (meta.id)
CstUMi  Constellation membership (meta.code.member)
Atlas 531  Millennium Star Atlas page number (meta.bib.page)
Coords15207n7183  RA, DE in compact format; n = + ; s = - (meta.id)
Name13 Gamma Ursae Minoris (Pherkad)  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompID   Reference for Comp (main.dat) (meta.id)
rSpType1995ApJS...99..135A  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]   Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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