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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=22495
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ColumnValue  Explain   (UCD)
_RAJ200004 51 12.3646745 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+05 36 18.372297 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 48 32.4273208 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+05 31 16.406689 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon192.8903040074 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-23.5222674040 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
22495recno 22495  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 22549  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
Comp   Component(s) (Note 1)   (meta.code.multip)
ClassesSB*,*,V*,IR,UV  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000072.80152507 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.16 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000+05.60510135 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 3.10 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.18 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -2.29 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.21 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 0.85 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.12 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)
GLon192.89030696 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-23.52226701 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 321.28 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 5.8 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -1.95 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -1.47 mas/yr Proper motion in GLat (pos.pm)
X-287.2 pc Heliocentric distance towards Gal. center (pos.distance)
Y -65.7 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z-128.2 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7688 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 3.7 km/s Transverse velocity (phys.veloc)
SpTypeB2III  Spectral type (MK, HD, or other) (src.spType)
Tc 22   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc3   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 23.30 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 4.10 km/s Standard error on RV (Note 12)   (stat.error)
q_RVD   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H]-0.31 [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 -20.6 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -1.7 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -11.3 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 23.6 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 0.1734   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi -8.5 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 9286 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 9146 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 1610 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 9007 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7676 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 10897 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 3.624 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 3.62 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 3.64 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 2.700 mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 3.523 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 3.68 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 3.812 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 4.111 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.276 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 4.154 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.222 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 4.133 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.298 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS04511236+0536183  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-0.157 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.013 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I-0.16 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-3.911 mag Absolute Magnitude of Hpmag (Note 23)   (phot.mag;em.IR.H)
UMag-4.834 mag Absolute Magnitude in Johnson U (Note 23)   (phot.mag;em.opt.U)
BMag-4.01 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-3.85 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-3.72 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-3.42 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-3.38 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -3.40 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 8252.20 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin  mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 30836   Henry Draper catalog identifier (meta.id)
CstOri  Constellation membership (meta.code.member)
Atlas 232  Millennium Star Atlas page number (meta.bib.page)
Coords04512n0561  RA, DE in compact format; n = + ; s = - (meta.id)
Name3 Pi-4 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)
rSpType1978rmsa.book.....M  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]322  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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