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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=22791
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ColumnValue  Explain   (UCD)
_RAJ200004 54 53.7287243 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+10 09 02.995129 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 52 08.4302190 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+10 04 22.752452 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon189.3456362604 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-20.2531849127 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
22791recno 22791  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 22845  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
CompA  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)
RAJ2000073.72376741 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.20 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000+10.15114489 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.13 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 28.04 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.25 mas Standard error on Plx (stat.error;pos.parallax)
pmRA 41.42 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.25 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -128.74 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.16 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)
GLon189.34563913 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-20.25318461 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 35.66 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 0.9 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon 129.86 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -37.75 mas/yr Proper motion in GLat (pos.pm)
X -33.0 pc Heliocentric distance towards Gal. center (pos.distance)
Y -5.4 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z -12.3 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7433 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 22.9 km/s Transverse velocity (phys.veloc)
SpTypeA3VakB9.5mB9.5 lambda Boo  Spectral type (MK, HD, or other) (src.spType)
Tc 33   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc5   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 11.10 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 1.20 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H]-0.82 [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 -4.5 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -23.0 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -9.8 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 25.4 km/s Total heliocentric velocity (phys.veloc)
Dmin 32.08 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin -599 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.0858   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 149.4 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 6935 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 6909 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 595 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 6884 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin6340 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 7530 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 4.686 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 4.68 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 4.69 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 4.725 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 4.64 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 4.555 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 4.846 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.246 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 4.517 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.047 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 4.416 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.047 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS04545372+1009030  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MDEE  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V 0.085 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.004 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 0.11 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 1.925 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 1.96 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 1.88 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 1.79 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag 2.09 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag 1.76 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag 1.66 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 15.33 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 4.41 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 31295   Henry Draper catalog identifier (meta.id)
CstOri  Constellation membership (meta.code.member)
Atlas 208  Millennium Star Atlas page number (meta.bib.page)
Coords04549n1015  RA, DE in compact format; n = + ; s = - (meta.id)
Name7 Pi-1 Orionis  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompIDCCDM J04548+1009  Reference for Comp (main.dat) (meta.id)
rSpType2003AJ....126.2048G  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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