VizieR

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

VizieR

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J/ApJS/246/4/catalog Catalog of ultrawide binary stars from Gaia DR2 (Tian+, 2020)
Catalog 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)
  recno=601034
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ColumnValue  Explain   (UCD)
_RAJ200019 53 42.3967148097 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-50 37 54.474642891 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 49 55.9746459718 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-50 45 37.519115001 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon347.9602160954844 deg Galactic longitude at Epoch=J2015.5, proper motions taken into account (pos.galactic.lon)
_Glat-30.2664145683093 deg Galactic latitude at Epoch=J2015.5, proper motions taken into account (pos.galactic.lat)
601034recno 601034  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

source_id26669870012079471616  Gaia DR2 identifier of Star 2 (785,036 uniques) (source_id2) (meta.id.assoc)
ra2298.42178637700 deg Gaia DR2 barycentric right ascension (ICRS) at Ep=2015.5 of Star 2 (ra2) (pos.eq.ra)
dec2-50.65500714120 deg Gaia DR2 barycentric declination (ICRS) at Ep=2015.5 of Star 2 (dec2) (pos.eq.dec)
astrometric_chi2_al_2 471.224060   [22/135246] Star 2 astrometric goodness of fit (χ2) in the along-scan direction (astrometric_chi2_al_2) (stat.fit.goodness;pos.dirCos)
astrometric_n_good_obs_al2 169   [44/1100] Star 2 number of good CCD transits (astrometric_n_good_obs_al2) (meta.number)
phot_g_mean_flux_over_error2 931.153   [50/12061] Star 2 G-band mean flux divided by its error (phot_g_mean_flux_over_error2) (stat.fit.omc)
phot_rp_mean_flux_over_error2 496.113   [10/192345] Star 2 integrated RP mean flux divided by its error (phot_rp_mean_flux_over_error2) (stat.fit.omc)
phot_bp_mean_flux_over_error2 52.413   [10/73309] Star 2 integrated BP mean flux divided by its error (phot_bp_mean_flux_over_error2) (stat.fit.omc)
phot_bp_rp_excess_factor2 1.613   [1/2.5] Star 2 BP/RP excess factor (phot_bp_rp_excess_factor2) (phot.color.excess)
pmra2 101.057 mas/yr [-2251/4106] Star 2 proper motion in right ascension direction (pmRA*cosDE) (pmra2) (pos.pm;pos.eq.ra)
pmra_error2 0.154 mas/yr [0.01/4.5] pmRA2 standard error (pmra_error2) (stat.error;pos.pm;pos.eq.ra)
pmdec2 -137.389 mas/yr [-3541/3156] Star 2 proper motion in declination (pmdec2) (pos.pm;pos.eq.dec)
pmdec_error2 0.143 mas/yr [0.01/4] pmDE2 standard error (pmdec_error2) (stat.error;pos.pm;pos.eq.dec)
phot_g_mean_mag216.3192 mag [3.2/21] Star 2 G-band mean magnitude (Vega) (phot_g_mean_mag2) (phot.mag;em.opt)
phot_bp_mean_mag218.5369 mag [3.6/24.8] Star 2 integrated BP mean magnitude (Vega) (phot_bp_mean_mag2) (phot.mag;em.opt.B)
phot_rp_mean_mag214.9396 mag [2.7/21] Star 2 integrated RP mean magnitude (Vega) (phot_rp_mean_mag2) (phot.mag;em.opt.R)
parallax2 22.6368 mas [0.2/286.2] Star 2 absolute parallax (parallax2) (pos.parallax.trig)
parallax_over_error2 204.1777   [2/5416] Parallax divided by its error (parallax_over_error2) (stat.error;pos.parallax)
source_id6669873005673630592  Gaia DR2 identifier of Star 1 (782,120 uniques) (source_id) (meta.id;meta.main)
ra298.42733894000 deg (i) Gaia DR2 barycentric right ascension (ICRS) at Ep=2015.5 of Star 1 (ra) (pos.eq.ra;meta.main)
dec-50.63239004990 deg (i) Gaia DR2 barycentric declination (ICRS) at Ep=2015.5 of Star 1 (dec) (pos.eq.dec;meta.main)
pmra 101.278 mas/yr [-2241/4165] Star 1 proper motion in right ascension direction (pmRA*cosDE) (pmra) (pos.pm;pos.eq.ra)
pmra_error 0.075 mas/yr [0.01/1.2] pmRA1 standard error (pmra_error) (stat.error;pos.pm;pos.eq.ra)
pmdec -137.741 mas/yr [-3543/3250] Star 1 proper motion in declination (pmdec) (pos.pm;pos.eq.dec)
pmdec_error 0.063 mas/yr [0.01/1.3] pmDE1 standard error (pmdec_error) (stat.error;pos.pm;pos.eq.dec)
phot_g_mean_mag13.5189 mag [3.2/20.1] Star 1 G-band mean magnitude (Vega) (phot_g_mean_mag) (phot.mag;em.opt)
phot_bp_mean_mag14.9722 mag [3.6/21.2] Star 1 integrated BP mean magnitude (Vega) (phot_bp_mean_mag) (phot.mag;em.opt.B)
phot_rp_mean_mag12.3457 mag [2.6/19.3] Star 1 integrated RP mean magnitude (Vega) (phot_rp_mean_mag) (phot.mag;em.opt.R)
parallax 22.8665 mas [0.2/286] Star 1 absolute parallax (parallax) (pos.parallax.trig)
parallax_over_error 413.5912   [20/6543] Parallax divided by its error (parallax_over_error) (stat.error;pos.parallax)
astrometric_chi2_al 659.86   [15/189370] Star 1 astrometric goodness of fit (χ2) in the along-scan direction (astrometric_chi2_al) (stat.fit.goodness;pos.dirCos)
astrometric_n_good_obs_al 169   [45/1089] Star 1 number of good CCD transits (astrometric_n_good_obs_al) (meta.number)
phot_g_mean_flux_over_error 2487.198   [60/13735] Star 1 G-band mean flux divided by its error (phot_g_mean_flux_over_error) (stat.fit.omc)
phot_rp_mean_flux_over_error 529.296   [20/842507] Star 1 integrated RP mean flux divided by its error (phot_rp_mean_flux_over_error) (stat.fit.omc)
phot_bp_mean_flux_over_error 420.559   [20/5104061] Star 1 integrated BP mean flux divided by its error (phot_bp_mean_flux_over_error) (stat.fit.omc)
phot_bp_rp_excess_factor 1.447   [1/2.1] Star 1 BP/RP excess factor (phot_bp_rp_excess_factor) (phot.color.excess)
pairdistance 0.0228895 deg [0.0003/1.1] Angular separation between star 1 and star 2 (pairdistance) (pos.angDistance)
s_AU 3603.630 au [10.9/201600] Projected physical separation between two stars (s_AU) (pos.angDistance)
num1   [1/9] Number of pairs in neighborhood for each binary (num) (meta.number)
binary_type3   [1/3] Type of wide binary (binary_type) (Note 1)   (meta.code)
gl347.96021752500 deg Star 1 galactic longitude (gl) (pos.galactic.lon)
gb-30.26641429870 deg Star 1 galactic latitude (gb) (pos.galactic.lat)
gl2347.93373019200 deg Star 2 galactic longitude (gl2) (pos.galactic.lon)
gb2-30.26565563940 deg Star 2 galactic latitude (gb2) (pos.galactic.lat)
theta 82.40234 arcsec [1.2/3858] Angular separation between the two stars (theta) (pos.angDistance)
sig_dmu 0.161 mas/yr [0.02/1.5] dmu uncertainty (sig_dmu) (stat.error)
dmu 0.4156 mas/yr [0.0003/184] Total scalar difference in proper motions between the two stars (Δµ) (see Section 2.1) (pos.pm;arith.diff)
dmu_orbit 5.2602 mas/yr [0.008/821] Maximum proper-motion difference permissible for a circular orbit of total mass 5M (dmu_orbit) (pos.pm;arith.diff)
MG213.0933 mag [-5.2/16] Star 2 absolute G-band magnitude (MG2) (phys.magAbs)
MG10.3149 mag [-3/16] Star 1 absolute G-band magnitude (MG) (meta.id)
radial_velocity2  km/s [-325/725] Star 2 spectroscopic barycentric radial velocity (radial_velocity2) (phys.veloc;pos.barycenter)
radial_velocity_error2  km/s [0.1/20] RV2 standard error (radial_velocity_error2) (stat.error)
radial_velocity  km/s [-716/565] Star 1 spectroscopic barycentric radial velocity (radial_velocity) (phys.veloc;pos.barycenter)
radial_velocity_error  km/s [0.1/20] RV1 standard error (radial_velocity_error) (stat.error)
U_gaia  km/s [-290/547] Star 1 radial velocity in the Cartesian coordinates (positive to the Galactic center) (U_gaia) (phys.veloc;pos.cartesian.x)
V_gaia  km/s [-498/652] Star 1 azimuthal velocity in the Cartesian coordinates (V_gaia) (phys.veloc;pos.cartesian.y)
W_gaia  km/s [-255/338] Star 1 vertical velocity in the Cartesian coordinates (W_gaia) (phys.veloc;pos.cartesian.z)
eU_gaia  km/s [0.03/25] UGaia error (eU_gaia) (stat.error)
eV_gaia  km/s [0.03/20] VGaia error (eV_gaia) (stat.error)
eW_gaia  km/s [0.02/20] WGaia error (eW_gaia) (stat.error)
U_gaia2  km/s [-534/335] Star 2 radial velocity in the Cartesian coordinates (positive to the Galactic center) (U_gaia2) (phys.veloc;pos.cartesian.x)
V_gaia2  km/s [-500/532] Star 2 azimuthal velocity in the Cartesian coordinates (V_gaia2) (phys.veloc;pos.cartesian.y)
W_gaia2  km/s [-381/175] Star 2 vertical velocity in the (W_gaia2) (phys.veloc;pos.cartesian.z)
eU_gaia2  km/s [0.05/20] UGaia2 error (eU_gaia2) (stat.error)
eV_gaia2  km/s [0.03/20] VGaia2 error (eV_gaia2) (stat.error)
eW_gaia2  km/s [0.04/19] WGaia2 error (eW_gaia2) (stat.error)
Pop    [dhi ] Binary kinematic subpopulation; column added by CDS (Note 2)   (meta.code)

_RA.icrs298.42665297837 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-50.63179851191 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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