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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=49485
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ColumnValue  Explain   (UCD)
_RAJ200010 07 56.2865733 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 22 17.948721 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195010 05 22.7310464 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-00 07 35.312387 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon241.1093905908 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+42.0658230592 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
49485recno 49485  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 49641  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
Comp   Component(s) (Note 1)   (meta.code.multip)
Classes*,IR,UV  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000151.98456482 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.82 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-00.37162836 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.75 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 11.51 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.98 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -15.40 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 1.00 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -9.90 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 1.00 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_pm2   [1/3] Reference for proper motion (Note 5)   (meta.ref;pos.frame)
GLon241.10939227 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat 42.06582442 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 86.13 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 8.5 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -1.78 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -18.22 mas/yr Proper motion in GLat (pos.pm)
X -30.9 pc Heliocentric distance towards Gal. center (pos.distance)
Y -56.0 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z 57.7 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7431 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 7.5 km/s Transverse velocity (phys.veloc)
SpTypeB9.5III  Spectral type (MK, HD, or other) (src.spType)
Tc 29   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc3   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 10.00 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.40 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 -6.6 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -10.5 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W 1.2 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 12.5 km/s Total heliocentric velocity (phys.veloc)
Dmin 51.57 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin-5403 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.0619   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 43.9 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 7793 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 7778 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 482 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 7763 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7311 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 8275 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 4.480 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 4.47 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 4.50 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 4.448 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 4.48 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 4.484 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 4.654 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.278 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 4.596 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 4.454 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.031 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS10075628-0022179  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-0.032 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-0.01 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-0.196 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-0.23 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-0.20 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-0.19 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-0.02 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-0.08 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -0.22 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 133.76 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 3.37 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 87887   Henry Draper catalog identifier (meta.id)
CstSex  Constellation membership (meta.code.member)
Atlas 780  Millennium Star Atlas page number (meta.bib.page)
Coords10079s0037  RA, DE in compact format; n = + ; s = - (meta.id)
Name15 Alpha Sextantis  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)
rSpType1995ApJS...99..135A  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]   Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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