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=044.16524809093 +37.13979867656, eq=ICRS, rs=2
Post annotation about this record
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (044.16524809093+37.13979867656)[ICRS], at Epoch=J2015.5 (pos.angDistance)
_RAJ200002 56 39.6595418232 "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 08 23.275235616 "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)
_RAB195002 53 31.0333838915 "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 56 19.905288389 "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)
_Glon148.9677290531914 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-19.3214505343534 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 142227326611423744  (i) Source identifier, identical to the Gaia-DR2 source_id (id) (meta.id;meta.main)
ra044.16524809093 deg (i) Barycentric right ascension (ICRS) at Ep=2015.5 (ra) (pos.eq.ra;meta.main)
dec+37.13979867656 deg (i) Barycentric declination (ICRS) at Ep=2015.5 (dec) (pos.eq.dec;meta.main)
r_est 318.996474958431975 pc Estimated distance (r_est) (pos.distance;stat.mean)
r_lo 219.587268499454012 pc Lower bound on the confidence interval of the estimated distance (r_lo) (pos.distance;stat.min)
r_hi 576.225572582329050 pc Upper bound on the confidence interval of the estimated distance (r_hi) (pos.distance;stat.max)
r_len517.766148367337 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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