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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=52774
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200010 49 37.4887455 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-16 11 37.135972 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195010 47 09.3316415 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-15 55 53.303627 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon265.0523691107 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+37.5601759330 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
52774recno 52774  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 52943  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
Comp   Component(s) (Note 1)   (meta.code.multip)
Classes*,PM*,IR,UV  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000162.40596684 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.16 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-16.19413227 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.13 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 22.69 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.23 mas Standard error on Plx (stat.error;pos.parallax)
pmRA 93.35 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.17 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 198.88 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.19 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)
GLon265.05237136 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat 37.56017746 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 44.07 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist 1.0 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -36.41 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat 216.66 mas/yr Proper motion in GLat (pos.pm)
X -3.0 pc Heliocentric distance towards Gal. center (pos.distance)
Y -34.8 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z 26.9 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7403 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 45.9 km/s Transverse velocity (phys.veloc)
SpTypeK1.5III Hdel-0.5  Spectral type (MK, HD, or other) (src.spType)
Tc 61   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc3   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV -1.10 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.80 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H]-0.20 [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 -5.1 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V 29.0 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W 35.2 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 45.9 km/s Total heliocentric velocity (phys.veloc)
Dmin 44.05 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin 22 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.5011   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi 6.5 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 14807 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b12814 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 7420 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L11089 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7387 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 22227 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 3.271 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 3.26 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 3.28 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 4.342 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 3.11 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 2.033 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 1.080 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.298 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 0.414 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.316 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 0.248 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.352 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS10493747-1611375  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 1.232 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.039 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I 1.22 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 0.050 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 1.12 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-0.11 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-1.19 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-2.14 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-2.81 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -2.97 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 172.59 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 3.11 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 93813   Henry Draper catalog identifier (meta.id)
CstHya  Constellation membership (meta.code.member)
Atlas 850  Millennium Star Atlas page number (meta.bib.page)
Coords10496s1619  RA, DE in compact format; n = + ; s = - (meta.id)
NameNu Hydrae  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...71..245K  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]003,020,101,138  Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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