VizieR

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VizieR

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II/354/tgasext HIP and TGAS stars reddening and extinction (Gontcharov+ 2018)
E(J-Ks), E(B-V), Rv and Av for Gaia DR1 TGAS stars (711237 rows)
  recno=32340
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ColumnValue  Explain   (UCD)
_RAJ200001 16 06.120 "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+37 05 30.48 "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)
_RAB195001 13 16.263 "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 49 41.42 "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)
_Glon128.379759 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-25.518913 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)
32340recno 32340  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Source 321759845802244608  Source ID (Cat. I/337) (meta.id;meta.main)
HIP    Hipparcos (Cat. I/311) identifier (meta.id)
RA_ICRS019.0255 deg (i) Approximate right ascension (ICRS) at epoch 2015.0 (Note G1)   (pos.eq.ra;meta.main)
DE_ICRS+37.0918 deg (i) Approximate declination (ICRS) at epoch 2015.0 (Note G1)   (pos.eq.dec;meta.main)
GLON128.3798 deg Approximate Galactic longitude at epoch 2015.0 (Note G1)   (pos.galactic.lon)
GLAT-25.5189 deg Approximate Galactic latitude at epoch 2015.0 (Note G1)   (pos.galactic.lat)
E(J-Ks) 0.03 mag [0.00,0.26] E(J-Ks) reddening (Note G2)   (phot.color.excess)
E(B-V) 0.05 mag [0.00,0.43] E(B-V) reddening (Note G3)   (phot.color.excess)
Rv 3.28   [2.01,4.12] Rv total-to-selective extinction ratio (Note G4)   (phys.absorption.gal;arith.ratio)
Av 0.17 mag [0.00,1.24] Av interstellar extinction (Note G5)   (phys.absorption)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)
_RA.icrs019.0255 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+37.0918 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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