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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=78732
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ColumnValue  Explain   (UCD)
_RAJ200016 07 24.3281221 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-20 52 07.551037 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 04 28.0864862 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-20 44 06.753453 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon352.6965925873 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+22.5344004756 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
78732recno 78732  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 78990  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
Comp   Component(s) (Note 1)   (meta.code.multip)
Classes*,V*,IR,UV  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000241.85125085 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.28 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-20.86865400 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.18 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 11.22 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.32 mas Standard error on Plx (stat.error;pos.parallax)
pmRA 44.72 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.28 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -45.33 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.21 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)
GLon352.69659553 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat 22.53440062 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 89.04 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 2.9 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -2.26 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -63.64 mas/yr Proper motion in GLat (pos.pm)
X 81.6 pc Heliocentric distance towards Gal. center (pos.distance)
Y -10.5 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z 34.1 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7319 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 26.9 km/s Transverse velocity (phys.veloc)
SpTypeG4II-III  Spectral type (MK, HD, or other) (src.spType)
Tc 54   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc2   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV -4.80 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.30 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H]-0.04 [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 5.7 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 -26.7 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 27.3 km/s Total heliocentric velocity (phys.veloc)
Dmin 87.65 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin 561 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.1583   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 39.2 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 8427 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 8321 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 1334 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 8216 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7093 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 9761 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 4.465 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 4.46 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 4.47 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 5.141 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 4.31 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 3.564 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 2.890 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.302 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 2.534 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.216 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 2.468 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.276 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS16072433-2052075  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MDCD  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V 0.831 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.027 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 0.85 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-0.283 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 0.39 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-0.44 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-1.18 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-1.86 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-2.21 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -2.28 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 157.46 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 4.28 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD144608   Henry Draper catalog identifier (meta.id)
CstSco  Constellation membership (meta.code.member)
Atlas1374  Millennium Star Atlas page number (meta.bib.page)
Coords16074s2087  RA, DE in compact format; n = + ; s = - (meta.id)
Name10 Omega-2 Scorpii (HR 5997)  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)
rSpType1989ApJS...71..245K  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]020  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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