Table 2

Content of the GCNS and rejected dataset with the first selected object as example.


Parameter Unit Comment Example
     
source_id ... Gaia EDR3 source ID 2875125810310195712
ra deg Right ascension (ICRS, epoch 2016.0) 0.0157909
ra_error mas Uncertainty 0.16
dec deg Declination (ICRS, epoch 2016.0) 34.1883005
dec_error mas Uncertainty 0.13
parallax mas Gaia EDR3 parallax 20.194
parallax_error mas Gaia EDR3 parallax uncertainty 0.225
pmra* mas yr−1 Gaia EDR3 Proper motion in RA −227.366
pmra*_error mas yr−1 Gaia EDR3 RA proper motion uncertainty 0.206
pmdec mas yr−1 Gaia EDR3 Proper motion in Dec −56.934
pmdec_error mas yr−1 Gaia EDR3 Dec proper motion uncertainty 0.159
phot_g_mean_mag mag Gaia G Band magnitude 8.3483
phot_g_mean_flux_over_error mag Gaia G flux to flux uncertainty ratio 6895.11
phot_bp_mean_mag mag Gaia BP Band magnitude 8.6769
phot_bp_mean_flux_over_error mag Gaia BP flux to flux uncertainty ratio 3384.69
phot_rp_mean_mag mag Gaia RP Band magnitude 7.8431
phot_rp_mean_flux_over_error mag Gaia RP flux to flux uncertainty ratio 3544.43
phot_robust_bp_rp_excess Ratio of the sum of the BP and RP flux to the G flux 1.2100
ruwe Renormalised unit weight error 14.26
ipd_frac_multi_peak Fraction of windows with multiple peaks 0
adoptedRV km s−1 Adopted Radial Velocity from EDR3 or literature −29.94
adoptedRV_error km s−1 Uncertainty in adopted RV 0.89
adoptedRV_refname ADS Bibcode for RV 2018A&A...616A...1G
radial_velocity_is_valid T/F Flag to indicate if RV is in eDR3 T
GCNS_prob Probability 0 to 1 of having reliable astrometry 1.00
WD_prob Probability 0 to 1 of being a white dwarf 1.00
dist_1 kpc 1st percentile of the distance PDF, used in GCNS selection 0.04833
dist_16 kpc 16th percentile of the distance PDF, 1σ lower bound 0.04901
dist_50 kpc 50th percentile of the distance PDF, the median distance 0.04952
dist_84 kpc 84th percentile of the distance PDF, 1σ upper bound 0.05007
xcoord_50 pc x coordinate in the Galactic frame using dist_50, median coordinate –15.72239
xcoord_16 pc x coordinate 1σ lower bound –15.55850
xcoord_84 pc x coordinate 1σ upper bound –15.89664
ycoord_50 pc y coordinate in the Galactic frame using dist_50, median coordinate 41.02444
ycoord_16 pc y coordinate 1σ lower bound 40.59680
ycoord_84 pc y coordinate 1σ upper bound 41.47911
zcoord_50 pc z coordinate in the Galactic frame using dist_50, median coordinate –22.85814
zcoord_16 pc z coordinate 1σ lower bound –22.61987
zcoord_84 pc z coordinate 1σ upper bound –23.11148
uvel_50 km s−1 Velocity in the Galactic frame, direction positive x –61.07
uvel_16 km s−1 Velocity 1σ lower bound –61.69
uvel_84 km s−1 Velocity 1σ upper bound –60.43
vvel_50 km s−1 Velocity in the Galactic frame, direction positive y –5.58
vvel_16 km s−1 Velocity 1σ lower bound –6.39
vvel_84 km s−1 Velocity 1σ upper bound –4.88
wvel_50 km s−1 Velocity in the Galactic frame, direction positive z 12.81
wvel_16 km s−1 Velocity 1σ lower bound 12.43
wvel_84 km s−1 Velocity 1σ upper bound 13.24
NAME_GUNN Name from the PanSTARRS/SDSS/SkyMapper survey 1237663235523739680
REFNAME_GUNN ADS Bibcode Gunn bands 2017ApJS..233...25A
gmag_GUNN mag GUNN G Band magnitude (SDSS:g, Skymapper: g_psf) 12.388
e_gmag_GUNN mag Uncertainty GUNN G Band magnitude (SDSS:err_g, Skymapper:e_g_psf) 0.007
rmag_GUNN mag GUNN R Band magnitude (SDSS:r, Skymapper: r_psf) 12.293
e_rmag_GUNN mag Uncertainty GUNN R Band magnitude (SDSS:err_r, Skymapper:e_r_psf) 0.008
imag_GUNN mag GUNN I Band magnitude (SDSS:i, Skymapper: i_psf) 12.445
e_imag_GUNN mag Uncertainty GUNN I Band magnitude (SDSS:err_i, Skymapper:e_i_psf) 0.008
zmag_GUNN mag GUNN Z Band magnitude (SDSS:z, Skymapper: z_psf) 9.007
e_zmag_GUNN mag Uncertainty GUNN Z Band magnitude (SDSS:err_z, Skymapper:e_z_psf) 0.001
NAME_2MASS 2mass name 00000410+3411189
j_m_2MASS mag 2MASS J band magnitude 7.249
j_msig_2MASS mag Uncertainty 2MASS J band magnitude 0.017
h_m_2MASS mag 2MASS H band magnitude 6.940
h_msig_2MASS mag Uncertainty 2MASS H band magnitude 0.016
k_m_2MASS mag 2MASS K band magnitude 6.885
k_msig_2MASS mag Uncertainty 2MASS K band magnitude 0.017
NAME_WISE WISE Name J000003.81+341117.9
w1mpro_pm_WISE mag CATWISE W1 Band magnitude 7.249
w1sigmpro_pm_WISE mag Uncertainty CATWISE W1 Band magnitude 0.020
w2mpro_pm_WISE mag CATWISE W2 Band magnitude 6.922
w2sigmpro_pm_WISE mag Uncertainty CATWISE W2 Band magnitude 0.008
w3mpro_WISE mag ALLWISE W3 Band magnitude 6.883
w3sigmpro_WISE mag Uncertainty ALLWISE W3 Band magnitude 0.016
w4mpro_WISE mag ALLWISE W4 Band magnitude 6.824
w4sigmpro_WISE mag Uncertainty ALLWISE W4 Band magnitude 0.085

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