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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=55041
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ColumnValue  Explain   (UCD)
_RAJ200011 18 28.7369491 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+33 05 39.498519 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195011 15 46.9527264 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+33 22 02.706848 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon190.7272257819 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+69.0811200947 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
55041recno 55041  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 55219  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
CompAB  Component(s) (Note 1)   (meta.code.multip)
Classes*,*i*,V*,IR,UV,**  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000169.61981388 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.15 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000+33.09423879 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.12 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 8.17 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.17 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -26.40 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.60 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 27.30 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.60 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)
GLon190.72722416 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat 69.08112043 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 122.34 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 2.1 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -22.08 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -30.90 mas/yr Proper motion in GLat (pos.pm)
X -42.9 pc Heliocentric distance towards Gal. center (pos.distance)
Y -8.1 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z 114.3 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7444 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 22.0 km/s Transverse velocity (phys.veloc)
SpTypeK0IV  Spectral type (MK, HD, or other) (src.spType)
Tc 60   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc4   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV -9.63 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.38 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] 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 -15.5 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V 10.1 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -15.4 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 24.0 km/s Total heliocentric velocity (phys.veloc)
Dmin 112.09 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin 1994 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.2578   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi -1.4 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 10028 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 9690 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 2585 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 9362 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7443 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 12613 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 3.638 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 3.63 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 3.65 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 4.890 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 3.49 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 2.286 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 1.073 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.190 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 0.183 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.176 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 0.282 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.182 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS11182874+3305393  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MCCC  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V 1.400 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.009 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 1.37 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-1.800 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-0.55 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-1.95 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-3.15 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-4.36 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-5.25 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -5.16 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 1199.79 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 3.30 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 98262   Henry Draper catalog identifier (meta.id)
CstUMa  Constellation membership (meta.code.member)
Atlas 635  Millennium Star Atlas page number (meta.bib.page)
Coords11185n3309  RA, DE in compact format; n = + ; s = - (meta.id)
Name54 Nu Ursae Majoris (Alula Borealis)  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompIDCCDM J11185+3306  Reference for Comp (main.dat) (meta.id)
rSpType2008ApJS..176..216A  Reference for SpType (main.dat) (Note 24)   (meta.ref;pos.frame)
r_RV582  Reference for RV (main.dat) (meta.ref;pos.frame)
r_[Fe/H]138  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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