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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=42181
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ColumnValue  Explain   (UCD)
_RAJ200008 37 38.6327729 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-42 59 20.689530 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195008 35 53.0745819 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-42 48 47.748577 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon262.0527758944 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-01.1410096926 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
42181recno 42181  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 42312  (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)
RAJ2000129.41100564 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.12 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-42.98910388 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.12 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 1.79 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.15 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -10.76 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.13 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 9.65 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.12 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)
GLon262.05277821 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat -1.14100817 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 553.99 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 8.4 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -14.20 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -2.73 mas/yr Proper motion in GLat (pos.pm)
X -76.6 pc Heliocentric distance towards Gal. center (pos.distance)
Y -548.6 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z -11.0 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7496 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 38.0 km/s Transverse velocity (phys.veloc)
SpTypeA6II  Spectral type (MK, HD, or other) (src.spType)
Tc 36   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc2   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 19.30 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.60 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 -39.6 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -13.8 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -7.6 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 42.6 km/s Total heliocentric velocity (phys.veloc)
Dmin 493.84 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin-5764 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.0594   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi -56.2 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 7771 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 7758 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 462 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 7744 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7310 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 8233 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 4.170 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 4.16 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 4.18 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 4.420 mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 4.219 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 4.11 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 3.952 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 3.848 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.248 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 3.659 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 3.703 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.216 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS08373863-4259205  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MDDC  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V 0.109 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.011 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 0.20 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-4.547 mag Absolute Magnitude of Hpmag (Note 23)   (phot.mag;em.IR.H)
UMag-4.298 mag Absolute Magnitude in Johnson U (Note 23)   (phot.mag;em.opt.U)
BMag-4.50 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-4.61 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-4.77 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-4.87 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-5.06 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -5.01 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 5934.79 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 3.86 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 73634   Henry Draper catalog identifier (meta.id)
CstVel  Constellation membership (meta.code.member)
Atlas 945  Millennium Star Atlas page number (meta.bib.page)
Coords08376s4299  RA, DE in compact format; n = + ; s = - (meta.id)
Namee Velorum  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...70..623G  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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