VizieR

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VizieR

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I/347/gaia2dis Distances to 1.33 billion stars in Gaia DR2 (Bailer-Jones+, 2018)
Estimating distances from parallaxes (1331909727 sources) (original column names in green) (1331909727 rows)
  -c=019.02549553136 +37.09184721358, eq=ICRS, rs=2
Post annotation about this record
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (019.02549553136+37.09184721358)[ICRS], at Epoch=J2015.5 (pos.angDistance)
_RAJ200001 16 06.1189275264 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2015.5 (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+37 05 30.649968888 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2015.5 (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)
_RAB195001 13 16.2616235919 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J2015.5 (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 49 41.595104831 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J2015.5 (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)
_Glon128.3797491317502 deg Galactic longitude at Epoch=J2015.5 (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-25.5188666067324 deg Galactic latitude at Epoch=J2015.5 (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)

id 321759850097893888  (i) Source identifier, identical to the Gaia-DR2 source_id (id) (meta.id;meta.main)
ra019.02549553136 deg (i) Barycentric right ascension (ICRS) at Ep=2015.5 (ra) (pos.eq.ra;meta.main)
dec+37.09184721358 deg (i) Barycentric declination (ICRS) at Ep=2015.5 (dec) (pos.eq.dec;meta.main)
r_est 192.211196524888010 pc Estimated distance (r_est) (pos.distance;stat.mean)
r_lo 189.668376623726004 pc Lower bound on the confidence interval of the estimated distance (r_lo) (pos.distance;stat.min)
r_hi 194.821870128006992 pc Upper bound on the confidence interval of the estimated distance (r_hi) (pos.distance;stat.max)
r_len452.980238728544 pc Length scale used in the prior for the distance estimation (r_len) (stat.value)
result_flag1   [0-2] Result flag (result_flag) (Note 1)   (meta.code)
modality_flag1   [1/2] Number of modes in the posterior (modality_flag) (meta.code)
  
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