VizieR

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VizieR

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J/ApJ/833/119/distall Distances of Gaia DR1 TGAS sources (Astraatmadja+, 2016)
Distances and uncertainties of all TGAS sources, no systematics uncertainties included (tgasdistall_v01) (2057050 rows)
  recno=922797
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200005 30 38.223840249 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2015. (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.eq.ra)
_DEJ2000-01 39 02.95276565 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2015. (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.eq.dec)
_RAB195005 28 06.405140664 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J2015. (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.eq.ra)
_DEB1950-01 41 16.49585241 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J2015. (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.eq.dec)
_Glon204.937550448501 deg Galactic longitude at Epoch=J2015. (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-18.682457606739 deg Galactic latitude at Epoch=J2015. (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)
922797recno 922797  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP    Hipparcos identifier (meta.id)
Tycho24766-402-1  Tycho 2 identifier (meta.id)
Source3217218404953668736  Gaia (I/337) source ID (meta.id;meta.main)
GLON204.9375504485 deg (i) Galactic longitude at epoch J2015.0 (pos.galactic.lon)
GLAT-18.6824576067 deg (i) Galactic latitude at epoch J2015.0 (pos.galactic.lat)
varpi2.108882 mas Absolute barycentric stellar parallax of the source at epoch 2015.0 (pos.parallax)
e_varpi0.288952 mas Standard error of parallax (stat.error)
<Gmag>10.753 mag G-band mean magnitude (phot.mag;em.opt.B;stat.mean)
rMoExp1 456.453471 pc Mode distance of the posterior, using the exponentially decreasing space density prior with L=0.11kpc (pos.distance;pos.heliocentric)
r5Exp1 387.087992 pc 5th percentile of the posterior, using the exponentially decreasing space density prior with L=0.11kpc (stat.error)
r50Exp1 470.808844 pc 50th percentile (i.e. the median) of the posterior, using the exponentially decreasing space density prior with L=0.11kpc (stat.error)
r95Exp1 596.826091 pc 95th percentile of the posterior, using the exponentially decreasing space density prior with L=0.11kpc (stat.error)
sigmaRExp1 63.750182 pc Distance standard error, using the exponentially decreasing space density prior with L=0.11kpc (stat.error)
rMoExp2 489.731108 pc Mode distance of the posterior, using the exponentially decreasing space density prior with L=1.35kpc (pos.distance;pos.heliocentric)
r5Exp2 409.323101 pc 5th percentile of the posterior, using the exponentially decreasing space density prior with L=1.35kpc (stat.error)
r50Exp2 512.320649 pc 50th percentile (i.e. the median) of the posterior, using the exponentially decreasing space density prior with L=1.35kpc (stat.error)
r95Exp2 687.448803 pc 95th percentile of the posterior, using the exponentially decreasing space density prior with L=1.35kpc (stat.error)
sigmaRExp2 84.536688 pc Distance standard error, using the exponentially decreasing space density prior with L=1.35kpc (stat.error)
rMoMW 474.010790 pc Mode distance of the posterior, using Milky Way Prior (pos.distance;pos.heliocentric)
r5MW 398.814533 pc 5th percentile of the posterior, using Milky Way Prior (stat.error)
r50MW 493.011907 pc 50th percentile (i.e. the median) of the posterior, using Milky Way Prior (stat.error)
r95MW 645.819766 pc 95th percentile of the posterior, using Milky Way Prior (stat.error)
sigmaRMW 75.077579 pc Distance standard error, using Milky Way Prior (stat.error)

_RA.icrs 82.6592660010 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs -1.6508202127 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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