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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=101745
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ColumnValue  Explain   (UCD)
_RAJ200020 41 25.9151407 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+45 16 49.219703 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 39 43.5350471 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+45 06 03.047268 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon084.2847216628 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+01.9975480277 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
101745recno 101745  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP102098  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
CompA  Component(s) (Note 1)   (meta.code.multip)
Classes**,*,Em*,V*,IR,UV  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000310.35797281 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.29 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000+45.28033431 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.25 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 2.31 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.32 mas Standard error on Plx (stat.error;pos.parallax)
pmRA 2.01 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.34 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 1.85 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.27 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)
GLon 84.28472398 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat 1.99754650 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 423.16 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist13.9 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon 2.69 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -0.45 mas/yr Proper motion in GLat (pos.pm)
X 42.1 pc Heliocentric distance towards Gal. center (pos.distance)
Y 420.8 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z 14.7 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7370 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 5.5 km/s Transverse velocity (phys.veloc)
SpTypeA2Ia  Spectral type (MK, HD, or other) (src.spType)
Tc 32   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc1   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV -4.90 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] 0.15 [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 -5.9 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -4.3 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -1.1 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 7.4 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 0.1003   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi -13.2 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 8173 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 8131 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 820 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 8090 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7353 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 8992 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 1.297 mag Median magnitude in Hipparcos system (phot.mag;em.opt.V)
e_Hpmag 0.002 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 1.27 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 1.34 mag Hpmag at minimum (95th percentile) (phot.mag;em.IR.H)
Per  d Variability period (src.var)
HvarU mag [CDMPRU] Variability type (Note 21)   (meta.code;src.var)
Umag 1.110 mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 1.342 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 1.25 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 1.183 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 1.139 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.254 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 0.902 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.188 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 1.010 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.202 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS20412592+4516491  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MDCC  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V 0.092 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.007 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 0.03 mag Standard error on V-I (stat.error;phot.color;em.opt.V)
HpMag-6.836 mag Absolute Magnitude of Hpmag (Note 23)   (phot.mag;em.IR.H)
UMag-7.023 mag Absolute Magnitude in Johnson U (Note 23)   (phot.mag;em.opt.U)
BMag-6.79 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-6.88 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-6.95 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-6.99 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-7.23 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -7.12 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 48596.05 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin  mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD197345   Henry Draper catalog identifier (meta.id)
CstCyg  Constellation membership (meta.code.member)
Atlas1107  Millennium Star Atlas page number (meta.bib.page)
Coords20414n4528  RA, DE in compact format; n = + ; s = - (meta.id)
Name50 Alpha Cygni (Deneb)  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompIDCCDM J20415+4517  Reference for Comp (main.dat) (meta.id)
rSpType2009A&A...501..297Z  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]232  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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