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=17535
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200003 28 20.905866302 "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+29 47 57.18851567 "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)
_RAB195003 25 17.234905571 "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+29 37 36.34879632 "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)
_Glon159.168640361442 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-21.817591660644 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)
17535recno 17535  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 16170   Hipparcos identifier (meta.id)
Tycho2   Tycho 2 identifier (meta.id)
Source 120606564322553216  Gaia (I/337) source ID (meta.id;meta.main)
GLON159.1686403614 deg (i) Galactic longitude at epoch J2015.0 (pos.galactic.lon)
GLAT-21.8175916606 deg (i) Galactic latitude at epoch J2015.0 (pos.galactic.lat)
varpi3.492583 mas Absolute barycentric stellar parallax of the source at epoch 2015.0 (pos.parallax)
e_varpi0.263210 mas Standard error of parallax (stat.error)
<Gmag> 8.943 mag G-band mean magnitude (phot.mag;em.opt.B;stat.mean)
rMoExp1 285.361247 pc Mode distance of the posterior, using the exponentially decreasing space density prior with L=0.11kpc (pos.distance;pos.heliocentric)
r5Exp1 256.611046 pc 5th percentile of the posterior, using the exponentially decreasing space density prior with L=0.11kpc (stat.error)
r50Exp1 288.576744 pc 50th percentile (i.e. the median) of the posterior, using the exponentially decreasing space density prior with L=0.11kpc (stat.error)
r95Exp1 329.548537 pc 95th percentile of the posterior, using the exponentially decreasing space density prior with L=0.11kpc (stat.error)
sigmaRExp1 22.169450 pc Distance standard error, using the exponentially decreasing space density prior with L=0.11kpc (stat.error)
rMoExp2 289.285341 pc Mode distance of the posterior, using the exponentially decreasing space density prior with L=1.35kpc (pos.distance;pos.heliocentric)
r5Exp2 259.553950 pc 5th percentile of the posterior, using the exponentially decreasing space density prior with L=1.35kpc (stat.error)
r50Exp2 292.783960 pc 50th percentile (i.e. the median) of the posterior, using the exponentially decreasing space density prior with L=1.35kpc (stat.error)
r95Exp2 335.859226 pc 95th percentile of the posterior, using the exponentially decreasing space density prior with L=1.35kpc (stat.error)
sigmaRExp2 23.193093 pc Distance standard error, using the exponentially decreasing space density prior with L=1.35kpc (stat.error)
rMoMW 286.781174 pc Mode distance of the posterior, using Milky Way Prior (pos.distance;pos.heliocentric)
r5MW 257.661501 pc 5th percentile of the posterior, using Milky Way Prior (stat.error)
r50MW 290.093911 pc 50th percentile (i.e. the median) of the posterior, using Milky Way Prior (stat.error)
r95MW 331.842853 pc 95th percentile of the posterior, using Milky Way Prior (stat.error)
sigmaRMW 22.547523 pc Distance standard error, using Milky Way Prior (stat.error)

_RA.icrs 52.0871077763 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+29.7992190321 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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