VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

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J/ApJS/246/4
  Catalog of ultrawide binary stars from Gaia DR2 (Tian+, 2020)
ReadMe+ftp
2020ApJS..246....4T
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/246/4/catalogCatalog of all candidate wide binaries (a<1pc) selected from Gaia DR2 in the solar neighborhood with distances d<4kpc (original column names in green) (807611 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  Gaia2  Gaia DR2 identifier of Star 2 (785,036 uniques) (source_id2) (meta.id.assoc)
  RA2deg deg Gaia DR2 barycentric right ascension (ICRS) at Ep=2015.5 of Star 2 (ra2) (pos.eq.ra)
  DE2deg deg Gaia DR2 barycentric declination (ICRS) at Ep=2015.5 of Star 2 (dec2) (pos.eq.dec)
  chi2AL2   [22/135246] Star 2 astrometric goodness of fit (χ2) in the along-scan direction (astrometric_chi2_al_2) (stat.fit.goodness;pos.dirCos)
  NgAL2   [44/1100] Star 2 number of good CCD transits (astrometric_n_good_obs_al2) (meta.number)
  RFG2   [50/12061] Star 2 G-band mean flux divided by its error (phot_g_mean_flux_over_error2) (stat.fit.omc)
  RFRP2   [10/192345] Star 2 integrated RP mean flux divided by its error (phot_rp_mean_flux_over_error2) (stat.fit.omc)
  RFBP2   [10/73309] Star 2 integrated BP mean flux divided by its error (phot_bp_mean_flux_over_error2) (stat.fit.omc)
  E(BR/RP)2   [1/2.5] Star 2 BP/RP excess factor (phot_bp_rp_excess_factor2) (phot.color.excess)
  pmRA2 mas/yr [-2251/4106] Star 2 proper motion in right ascension direction (pmRA*cosDE) (pmra2) (pos.pm;pos.eq.ra)

ALL cols		    
 (i)indexed column
  e_pmRA2 mas/yr [0.01/4.5] pmRA2 standard error (pmra_error2) (stat.error;pos.pm;pos.eq.ra)
  pmDE2 mas/yr [-3541/3156] Star 2 proper motion in declination (pmdec2) (pos.pm;pos.eq.dec)
  e_pmDE2 mas/yr [0.01/4] pmDE2 standard error (pmdec_error2) (stat.error;pos.pm;pos.eq.dec)
  Gmag2 mag [3.2/21] Star 2 G-band mean magnitude (Vega) (phot_g_mean_mag2) (phot.mag;em.opt)
  BPmag2 mag [3.6/24.8] Star 2 integrated BP mean magnitude (Vega) (phot_bp_mean_mag2) (phot.mag;em.opt.B)
  RPmag2 mag [2.7/21] Star 2 integrated RP mean magnitude (Vega) (phot_rp_mean_mag2) (phot.mag;em.opt.R)
  Plx2 mas [0.2/286.2] Star 2 absolute parallax (parallax2) (pos.parallax.trig)
  RPlx2   [2/5416] Parallax divided by its error (parallax_over_error2) (stat.error;pos.parallax)
  Gaia  Gaia DR2 identifier of Star 1 (782,120 uniques) (source_id) (meta.id;meta.main)
  RA_ICRS deg (i) Gaia DR2 barycentric right ascension (ICRS) at Ep=2015.5 of Star 1 (ra) (pos.eq.ra;meta.main)
  DE_ICRS deg (i) Gaia DR2 barycentric declination (ICRS) at Ep=2015.5 of Star 1 (dec) (pos.eq.dec;meta.main)
  pmRA mas/yr [-2241/4165] Star 1 proper motion in right ascension direction (pmRA*cosDE) (pmra) (pos.pm;pos.eq.ra)
  e_pmRA mas/yr [0.01/1.2] pmRA1 standard error (pmra_error) (stat.error;pos.pm;pos.eq.ra)

ALL cols		    
 (i)indexed column
  pmDE mas/yr [-3543/3250] Star 1 proper motion in declination (pmdec) (pos.pm;pos.eq.dec)
  e_pmDE mas/yr [0.01/1.3] pmDE1 standard error (pmdec_error) (stat.error;pos.pm;pos.eq.dec)
  Gmag mag [3.2/20.1] Star 1 G-band mean magnitude (Vega) (phot_g_mean_mag) (phot.mag;em.opt)
  BPmag mag [3.6/21.2] Star 1 integrated BP mean magnitude (Vega) (phot_bp_mean_mag) (phot.mag;em.opt.B)
  RPmag mag [2.6/19.3] Star 1 integrated RP mean magnitude (Vega) (phot_rp_mean_mag) (phot.mag;em.opt.R)
  Plx mas [0.2/286] Star 1 absolute parallax (parallax) (pos.parallax.trig)
  RPlx   [20/6543] Parallax divided by its error (parallax_over_error) (stat.error;pos.parallax)
  chi2AL   [15/189370] Star 1 astrometric goodness of fit (χ2) in the along-scan direction (astrometric_chi2_al) (stat.fit.goodness;pos.dirCos)
  NgAL   [45/1089] Star 1 number of good CCD transits (astrometric_n_good_obs_al) (meta.number)
  RFG   [60/13735] Star 1 G-band mean flux divided by its error (phot_g_mean_flux_over_error) (stat.fit.omc)
  RFRP   [20/842507] Star 1 integrated RP mean flux divided by its error (phot_rp_mean_flux_over_error) (stat.fit.omc)
  RFBP   [20/5104061] Star 1 integrated BP mean flux divided by its error (phot_bp_mean_flux_over_error) (stat.fit.omc)
  E(BR/RP)   [1/2.1] Star 1 BP/RP excess factor (phot_bp_rp_excess_factor) (phot.color.excess)

ALL cols		    
 (i)indexed column
  Sepdeg deg [0.0003/1.1] Angular separation between star 1 and star 2 (pairdistance) (pos.angDistance)
  Sepau au [10.9/201600] Projected physical separation between two stars (s_AU) (pos.angDistance)
  Np   [1/9] Number of pairs in neighborhood for each binary (num) (meta.number)
  Type   [1/3] Type of wide binary (binary_type) (Note 1)   (meta.code)
  GLON deg Star 1 galactic longitude (gl) (pos.galactic.lon)
  GLAT deg Star 1 galactic latitude (gb) (pos.galactic.lat)
  GLON2 deg Star 2 galactic longitude (gl2) (pos.galactic.lon)
  GLAT2 deg Star 2 galactic latitude (gb2) (pos.galactic.lat)
  Sep arcsec [1.2/3858] Angular separation between the two stars (theta) (pos.angDistance)
  e_dmu mas/yr [0.02/1.5] dmu uncertainty (sig_dmu) (stat.error)
  dmu mas/yr [0.0003/184] Total scalar difference in proper motions between the two stars (Δµ) (see Section 2.1) (pos.pm;arith.diff)
  dmuOrb mas/yr [0.008/821] Maximum proper-motion difference permissible for a circular orbit of total mass 5M☉ (dmu_orbit) (pos.pm;arith.diff)
  GMag2 mag [-5.2/16] Star 2 absolute G-band magnitude (MG2) (phys.magAbs)

ALL cols		    
 (i)indexed column
  GMag mag [-3/16] Star 1 absolute G-band magnitude (MG) (meta.id)
  RV2 km/s (n) [-325/725] Star 2 spectroscopic barycentric radial velocity (radial_velocity2) (phys.veloc;pos.barycenter)
  e_RV2 km/s (n) [0.1/20] RV2 standard error (radial_velocity_error2) (stat.error)
  RV km/s (n) [-716/565] Star 1 spectroscopic barycentric radial velocity (radial_velocity) (phys.veloc;pos.barycenter)
  e_RV km/s (n) [0.1/20] RV1 standard error (radial_velocity_error) (stat.error)
  UGaia km/s (n) [-290/547] Star 1 radial velocity in the Cartesian coordinates (positive to the Galactic center) (U_gaia) (phys.veloc;pos.cartesian.x)
  VGaia km/s (n) [-498/652] Star 1 azimuthal velocity in the Cartesian coordinates (V_gaia) (phys.veloc;pos.cartesian.y)
  WGaia km/s (n) [-255/338] Star 1 vertical velocity in the Cartesian coordinates (W_gaia) (phys.veloc;pos.cartesian.z)
  e_UGaia km/s (n) [0.03/25] UGaia error (eU_gaia) (stat.error)
  e_VGaia km/s (n) [0.03/20] VGaia error (eV_gaia) (stat.error)
  e_WGaia km/s (n) [0.02/20] WGaia error (eW_gaia) (stat.error)
  UGaia2 km/s (n) [-534/335] Star 2 radial velocity in the Cartesian coordinates (positive to the Galactic center) (U_gaia2) (phys.veloc;pos.cartesian.x)
  VGaia2 km/s (n) [-500/532] Star 2 azimuthal velocity in the Cartesian coordinates (V_gaia2) (phys.veloc;pos.cartesian.y)
  WGaia2 km/s (n) [-381/175] Star 2 vertical velocity in the (W_gaia2) (phys.veloc;pos.cartesian.z)
  e_UGaia2 km/s (n) [0.05/20] UGaia2 error (eU_gaia2) (stat.error)
  e_VGaia2 km/s (n) [0.03/20] VGaia2 error (eV_gaia2) (stat.error)
  e_WGaia2 km/s (n) [0.04/19] WGaia2 error (eW_gaia2) (stat.error)
  Pop (char) [dhi ] Binary kinematic subpopulation; column added by CDS (Note 2)   (meta.code)
  _RA.icrs deg (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
  _DE.icrs deg (n)(i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)

ALL cols		    
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