VizieR

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VizieR

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J/A+A/620/A172/ums Solar neighbourhood young stars 3D mapping (Zari+, 2018)
Upper main sequence table data (86102 rows)
  recno=71800
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ColumnValue  Explain   (UCD)
_RAJ200003 28 20.9060581852 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+29 47 57.185048464 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 25 17.2355243255 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+29 37 36.306127115 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon159.1686415847100 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-21.8175920059600 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
71800recno 71800  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Source 120606568618290688  Unique source identifier (unique within a single release) (source_id) (meta.id;meta.main)
GLON159.16864158471 deg (i) Galactic longitude (l) (pos.galactic.lon)
GLAT-21.81759200596 deg (i) Galactic latitude (b) (pos.galactic.lat)
Plx 3.3794 mag Parallax (parallax) (pos.parallax.trig)
e_Plx 0.0631 mag Standard error of parallax (parallax_error) (stat.error;pos.parallax)
pmGLON 8.091 mas/yr proper motion in galactic longitude, pmGLON*cosGLAT (pmlcosb) (pos.pm;pos.galactic.lon)
e_pmGLON 0.075 mas/yr Standard error of proper motion in galactic longitude (pmlerror) (stat.error)
pmGLAT -1.447 mas/yr Proper motion in galactic latitude (pm_b) (pos.pm;pos.galactic.lat)
e_pmGLAT 0.070 mas/yr Standard error of proper motion in galactic latitude (pmberror) (stat.error)
pmlbcorr 0.0000  Correlation between proper motion in galactic longitude and proper motion in galactic latitude (pmlpmbcorr) (stat.correlation)
RV 28.765 km/s radial velocity (radial_velocity) (phys.veloc;pos.heliocentric)
e_RV 3.411 km/s radial velocity error (radialvelocityerror) (stat.error)
Gmag 8.99088 mag G-band mean magnitude (photgmean_mag) (phot.mag;em.opt)
BPmag 9.32305 mag BP band mean magnitude (photbpmean_mag) (phot.mag;em.opt.B)
RPmag 8.53014 mag RP band mean magnitude (photrpmean_mag) (phot.mag;em.opt.R)
E(BR/RP) 1.19113  BP/RP excess factor (photbprpexcessfactor) (arith.factor)
chi2AL 2.50704e+02  AL chi-square value (astrometricchi2al) (stat.fit.param)
NgAL 147  Number of good observation AL (astrometricngoodobsal) (meta.number)
AG 1.2665 mag Extinction in G-band (A_G) (phys.absorption)
E(BP-RP) 0.6798 mag Colour excess in BP-RP (E_BPminRP) (phot.color.excess)
UWE    Unit Weight Error, as defined in Lindegren et al., 2018A&A...616A...2L, Cat. I.345), only in pms.,dat file (UWE) (stat.weight)

SimbadGaia DR2 120606568618290688  ask the Simbad data-base about this object (meta.ref.url)
_RA.icrs052.08710857577 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+29.79921806902 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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