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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=22743
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ColumnValue  Explain   (UCD)
_RAJ200004 54 15.0960427 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+02 26 26.423097 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 51 38.6730131 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+02 21 37.308609 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon196.2669368504 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-24.5624726141 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
22743recno 22743  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 22797  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
Comp   Component(s) (Note 1)   (meta.code.multip)
Classes*,V*,El*,IR,UV,SB*  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000073.56289884 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.33 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000+02.44067160 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.19 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 2.43 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.39 mas Standard error on Plx (stat.error;pos.parallax)
pmRA 0.55 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.41 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 0.61 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.22 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)
GLon196.26693982 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-24.56247214 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 399.18 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist16.0 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -0.23 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat 0.79 mas/yr Proper motion in GLat (pos.pm)
X-348.5 pc Heliocentric distance towards Gal. center (pos.distance)
Y -101.7 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z-165.9 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7751 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 1.6 km/s Transverse velocity (phys.veloc)
SpTypeB1.5IV  Spectral type (MK, HD, or other) (src.spType)
Tc 21   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc4   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 24.20 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.70 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H]-0.28 [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]C   [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 -21.8 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -5.9 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -8.7 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 24.2 km/s Total heliocentric velocity (phys.veloc)
Dmin  pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin  kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.1391   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi -11.0 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 8983 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 8896 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 1249 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 8809 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7733 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 10232 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 3.647 mag Median magnitude in Hipparcos system (phot.mag;em.opt.V)
e_Hpmag 0.004 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 3.62 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 3.67 mag Hpmag at minimum (95th percentile) (phot.mag;em.IR.H)
Per 3.70 d Variability period (src.var)
HvarP mag [CDMPRU] Variability type (Note 21)   (meta.code;src.var)
Umag 2.720 mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 3.531 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 3.71 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 3.854 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 4.189 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.294 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 4.353 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.076 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 4.271 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.304 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS04541509+0226263  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MDED  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V-0.179 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.012 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I-0.18 mag Color index in Cousins' system (phot.color;em.opt.V;em.opt.I)
e_V-I 0.02 mag Standard error on V-I (stat.error;phot.color;em.opt.V)
HpMag-4.359 mag Absolute Magnitude of Hpmag (Note 23)   (phot.mag;em.IR.H)
UMag-5.286 mag Absolute Magnitude in Johnson U (Note 23)   (phot.mag;em.opt.U)
BMag-4.47 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-4.30 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-4.15 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-3.82 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-3.65 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -3.73 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 14898.62 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin  mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 31237   Henry Draper catalog identifier (meta.id)
CstOri  Constellation membership (meta.code.member)
Atlas 256  Millennium Star Atlas page number (meta.bib.page)
Coords04543n0244  RA, DE in compact format; n = + ; s = - (meta.id)
Name8 Pi-5 Orionis  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)
rSpType1977PASP...89..797A  Reference for SpType (main.dat) (Note 24)   (meta.ref;pos.frame)
r_RV588  Reference for RV (main.dat) (meta.ref;pos.frame)
r_[Fe/H]322  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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