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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=49685
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ColumnValue  Explain   (UCD)
_RAJ200010 10 35.2747963 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-12 21 14.580715 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195010 08 08.9499673 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-12 06 22.474475 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon253.0049863049 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+34.4964232461 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
49685recno 49685  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 49841  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
CompA  Component(s) (Note 1)   (meta.code.multip)
ClassesUV,**,SB*,*,PM*,IR  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000152.64748690 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.60 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-12.35383947 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.63 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 28.98 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.83 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -204.40 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.40 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -86.70 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.40 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)
GLon253.00498834 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat 34.49642473 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 34.47 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 2.9 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -86.09 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -204.66 mas/yr Proper motion in GLat (pos.pm)
X -8.3 pc Heliocentric distance towards Gal. center (pos.distance)
Y -27.2 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z 19.5 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7408 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 36.3 km/s Transverse velocity (phys.veloc)
SpTypeK0III CN+1  Spectral type (MK, HD, or other) (src.spType)
Tc 60   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc3   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 19.30 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 3.00 km/s Standard error on RV (Note 12)   (stat.error)
q_RVD   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H] 0.18 [Sun] Iron abundance (phys.abund.Fe)
e_[Fe/H] 0.03 [Sun] Standard error on [Fe/H] (Note 14)   (stat.error;phys.abund.Fe)
q_[Fe/H]A   [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 -23.6 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -29.2 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -16.6 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 41.1 km/s Total heliocentric velocity (phys.veloc)
Dmin 30.43 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin -385 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.1367   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi-163.1 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 6562 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 6501 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 897 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 6440 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin5666 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 7459 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 3.775 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 3.77 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 3.78 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  mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 4.617 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 3.61 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 2.761 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 2.011 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.332 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 1.595 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.232 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 1.525 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.284 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS10103529-1221145  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 1.007 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.008 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 0.96 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 1.087 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 1.93 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag 0.92 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 0.07 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-0.68 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-1.09 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -1.16 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 51.97 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 3.34 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 88284   Henry Draper catalog identifier (meta.id)
CstHya  Constellation membership (meta.code.member)
Atlas 828  Millennium Star Atlas page number (meta.bib.page)
Coords10106s1235  RA, DE in compact format; n = + ; s = - (meta.id)
Name41 Lambda Hydrae  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompIDCCDM J10106-1222  Reference for Comp (main.dat) (meta.id)
rSpType2006AJ....132..161G  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]003,116,138,172  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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