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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=97318
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ColumnValue  Explain   (UCD)
_RAJ200019 50 46.9985511 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+08 52 05.956307 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 48 20.5914461 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+08 44 05.639099 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon047.7426428898 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-08.9085111730 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
97318recno 97318  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 97649  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
CompA  Component(s) (Note 1)   (meta.code.multip)
Classes**,*,PM*,V*,dS*,IR,UV,X  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000297.69450819 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.37 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000+08.86738473 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.32 mas Standard error on DE (stat.error;pos.eq.dec)
Plx194.95 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.57 mas Standard error on Plx (stat.error;pos.parallax)
pmRA 536.23 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.51 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 385.29 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.47 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 47.74264505 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat -8.90851234 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 5.13 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 0.3 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon 599.13 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -277.56 mas/yr Proper motion in GLat (pos.pm)
X 3.4 pc Heliocentric distance towards Gal. center (pos.distance)
Y 3.8 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z -0.8 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7397 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 16.1 km/s Transverse velocity (phys.veloc)
SpTypeA7Vn  Spectral type (MK, HD, or other) (src.spType)
Tc 37   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc5   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV -26.60 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]-0.24 [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 -29.2 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -10.4 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -2.5 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 31.1 km/s Total heliocentric velocity (phys.veloc)
Dmin 2.65 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin 138 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.0845   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi -61.9 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 7746 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 7718 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 654 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 7691 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7092 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 8401 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 0.827 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 0.82 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 0.87 mag Hpmag at minimum (95th percentile) (phot.mag;em.IR.H)
Per 7.94 d Variability period (src.var)
HvarP mag [CDMPRU] Variability type (Note 21)   (meta.code;src.var)
Umag  mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 0.981 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 0.76 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag 0.80 mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 0.600 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 0.313 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.168 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 0.102 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.220 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 0.102 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.248 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS19504698+0852060  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MCDD  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V 0.221 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.010 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 0.27 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 2.277 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 2.43 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 2.21 mag Absolute Magnitude in Johnson V (Note 23)   (phys.magAbs;em.opt.V)
RMag 2.25 mag Absolute Magnitude in R (Note 23)   (phys.magAbs;em.opt.R)
IMag 2.05 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag 1.76 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag 1.55 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag 1.55 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 10.84 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin-0.67 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD187642   Henry Draper catalog identifier (meta.id)
CstAql  Constellation membership (meta.code.member)
Atlas1267  Millennium Star Atlas page number (meta.bib.page)
Coords19508n0887  RA, DE in compact format; n = + ; s = - (meta.id)
Name53 Alpha Aquilae (Altair)  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompIDCCDM J19508+0852  Reference for Comp (main.dat) (meta.id)
rSpType2003AJ....126.2048G  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]214  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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