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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=20864
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ColumnValue  Explain   (UCD)
_RAJ200004 29 00.1247988 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+21 55 21.718048 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 26 01.9616908 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+21 48 39.490876 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon175.4396913501 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-18.0883216407 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
20864recno 20864  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 20917  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
Comp   Component(s) (Note 1)   (meta.code.multip)
Classes*,PM*,V*,Fl*,IR,UV,X  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000067.25069213 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.92 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000+21.92227518 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.69 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 87.78 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.97 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -65.70 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.71 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 174.56 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.63 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_pm3   [1/3] Reference for proper motion (Note 5)   (meta.ref;pos.frame)
GLon175.43969416 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-18.08832171 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 11.39 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 1.1 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -175.48 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat 63.20 mas/yr Proper motion in GLat (pos.pm)
X -10.8 pc Heliocentric distance towards Gal. center (pos.distance)
Y 0.9 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z -3.5 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7411 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 10.1 km/s Transverse velocity (phys.veloc)
SpTypeM0.5V  Spectral type (MK, HD, or other) (src.spType)
Tc 70   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc5   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV -35.49 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.08 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 33.3 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V 6.8 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W 14.3 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 36.9 km/s Total heliocentric velocity (phys.veloc)
Dmin 3.11 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin 290 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.3364   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 47.6 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 10251 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 9653 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 3448 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 9091 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin6803 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 13699 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 8.423 mag Median magnitude in Hipparcos system (phot.mag;em.opt.V)
e_Hpmag 0.002 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 8.40 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 8.44 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 9.663 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 8.30 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag 7.50 mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 6.700 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 5.674 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.026 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 5.050 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.016 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 4.875 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)
2MASS04290013+2155214  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MAAA  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V 1.363 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.029 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 1.33 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 8.140 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 9.38 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 8.02 mag Absolute Magnitude in Johnson V (Note 23)   (phys.magAbs;em.opt.V)
RMag 7.22 mag Absolute Magnitude in R (Note 23)   (phys.magAbs;em.opt.R)
IMag 6.42 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag 5.39 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag 4.77 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag 4.59 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 0.13 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 5.48 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 28343   Henry Draper catalog identifier (meta.id)
CstTau  Constellation membership (meta.code.member)
Atlas 161  Millennium Star Atlas page number (meta.bib.page)
Coords04290n2192  RA, DE in compact format; n = + ; s = - (meta.id)
NameGliese 169  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)
rSpType2003AJ....126.2048G  Reference for SpType (main.dat) (Note 24)   (meta.ref;pos.frame)
r_RV604,694  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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