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=31347
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200005 18 21.066943673 "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+36 37 55.31067683 "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 14 58.588693106 "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+36 34 47.02407002 "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)
_Glon170.428145779701 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 -0.578788170925 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)
31347recno 31347  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 24744   Hipparcos identifier (meta.id)
Tycho2   Tycho 2 identifier (meta.id)
Source 187043317482036224  Gaia (I/337) source ID (meta.id;meta.main)
GLON170.4281457797 deg (i) Galactic longitude at epoch J2015.0 (pos.galactic.lon)
GLAT -0.5787881709 deg (i) Galactic latitude at epoch J2015.0 (pos.galactic.lat)
varpi1.240874 mas Absolute barycentric stellar parallax of the source at epoch 2015.0 (pos.parallax)
e_varpi0.269538 mas Standard error of parallax (stat.error)
<Gmag> 7.968 mag G-band mean magnitude (phot.mag;em.opt.B;stat.mean)
rMoExp1 687.984565 pc Mode distance of the posterior, using the exponentially decreasing space density prior with L=0.11kpc (pos.distance;pos.heliocentric)
r5Exp1 561.480060 pc 5th percentile of the posterior, using the exponentially decreasing space density prior with L=0.11kpc (stat.error)
r50Exp1 719.786802 pc 50th percentile (i.e. the median) of the posterior, using the exponentially decreasing space density prior with L=0.11kpc (stat.error)
r95Exp1 970.683294 pc 95th percentile of the posterior, using the exponentially decreasing space density prior with L=0.11kpc (stat.error)
sigmaRExp1 124.377883 pc Distance standard error, using the exponentially decreasing space density prior with L=0.11kpc (stat.error)
rMoExp2 865.479241 pc Mode distance of the posterior, using the exponentially decreasing space density prior with L=1.35kpc (pos.distance;pos.heliocentric)
r5Exp2 676.234499 pc 5th percentile of the posterior, using the exponentially decreasing space density prior with L=1.35kpc (stat.error)
r50Exp2 1002.965921 pc 50th percentile (i.e. the median) of the posterior, using the exponentially decreasing space density prior with L=1.35kpc (stat.error)
r95Exp2 1996.044809 pc 95th percentile of the posterior, using the exponentially decreasing space density prior with L=1.35kpc (stat.error)
sigmaRExp2 401.158149 pc Distance standard error, using the exponentially decreasing space density prior with L=1.35kpc (stat.error)
rMoMW 804.185939 pc Mode distance of the posterior, using Milky Way Prior (pos.distance;pos.heliocentric)
r5MW 636.415565 pc 5th percentile of the posterior, using Milky Way Prior (stat.error)
r50MW 895.062415 pc 50th percentile (i.e. the median) of the posterior, using Milky Way Prior (stat.error)
r95MW 1516.685310 pc 95th percentile of the posterior, using Milky Way Prior (stat.error)
sigmaRMW 267.559193 pc Distance standard error, using Milky Way Prior (stat.error)

_RA.icrs 79.5877789320 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+36.6320307436 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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