17.1.3 Extragalactic objects
galaxy_candidates table
The data fields of galaxy_candidates are described in Section 20.5.1. Statistics are provided in Table 17.10, and a selection of plots in Section 17.2.14.
Field name | Null values | Minimum | Maximum | Mean | Std. dev. |
classprob_dsc_combmod_galaxy | 543 | 0 | 1 | 0.721 | 0.415 |
classprob_dsc_combmod_quasar | 543 | 0 | 1 | 0.0094 | 0.055 |
ellipticity_de_vaucouleurs | 4150258 | 4.45e-08 | 0.897 | 0.266 | 0.137 |
ellipticity_de_vaucouleurs_error | 4150258 | 1.03e-12 | 0.226 | 0.000525 | 0.00399 |
ellipticity_sersic | 4150258 | 8.36e-07 | 0.895 | 0.271 | 0.139 |
ellipticity_sersic_error | 4150258 | 3.7e-12 | 0.28 | 0.0117 | 0.0186 |
flags_de_vaucouleurs | 3927505 | 1 | 8 | 6.43 | 1.01 |
flags_sersic | 3927505 | 1 | 8 | 6.14 | 0.909 |
intensity_de_vaucouleurs | 3927505 | 0.00912 | 9.68 | 0.152 | 0.0791 |
intensity_de_vaucouleurs_error | 3927505 | 1e-12 | 1.48 | 0.000113 | 0.00321 |
intensity_sersic | 3927505 | 0.00202 | 3.96 | 0.0906 | 0.131 |
intensity_sersic_error | 3927505 | 3.44e-12 | 6.37 | 0.00199 | 0.011 |
l2_de_vaucouleurs | 3927505 | 0.338 | 16.3 | 0.77 | 0.182 |
l2_sersic | 3927505 | 0.334 | 16.3 | 0.758 | 0.178 |
morph_params_corr_vec_de_vaucouleurs | 3927505 | nan | nan | nan | nan |
morph_params_corr_vec_de_vaucouleurs.avg | 3927505 | -1 | 1 | -0.304 | 0.427 |
morph_params_corr_vec_de_vaucouleurs.len | 3927505 | 6 | 6 | 6 | 0 |
morph_params_corr_vec_de_vaucouleurs.max | 3927505 | -1 | 1 | 0.398 | 0.794 |
morph_params_corr_vec_de_vaucouleurs.med | 3927505 | -1 | 1 | -0.366 | 0.481 |
morph_params_corr_vec_de_vaucouleurs.min | 3927505 | -1 | 1 | -0.916 | 0.236 |
morph_params_corr_vec_de_vaucouleurs.nan | 3927505 | 0 | 5 | 1.23 | 2.15 |
morph_params_corr_vec_sersic | 3927505 | nan | nan | nan | nan |
morph_params_corr_vec_sersic.avg | 3927505 | -0.5 | 1 | -0.146 | 0.145 |
morph_params_corr_vec_sersic.len | 3927505 | 10 | 10 | 10 | 0 |
morph_params_corr_vec_sersic.max | 3927505 | -0.49 | 1 | 0.772 | 0.242 |
morph_params_corr_vec_sersic.med | 3927505 | -1 | 1 | -0.213 | 0.348 |
morph_params_corr_vec_sersic.min | 3927505 | -1 | 1 | -0.925 | 0.12 |
morph_params_corr_vec_sersic.nan | 3927505 | 0 | 7 | 1.74 | 3.01 |
n_sersic | 3927505 | 0.892 | 8 | 5.69 | 1.7 |
n_sersic_error | 3927505 | 7.72e-13 | 1.61 | 0.101 | 0.151 |
n_transits | 0 | 0 | 132 | 6.7 | 14.6 |
posangle_de_vaucouleurs | 4154449 | 0.0151 | 180 | 89.5 | 50.2 |
posangle_de_vaucouleurs_error | 4154449 | 1.04e-09 | 123 | 0.228 | 2.53 |
posangle_sersic | 4159024 | 0.0021 | 180 | 89.6 | 49.8 |
posangle_sersic_error | 4159024 | 2.79e-09 | 127 | 3.94 | 11.5 |
radius_de_vaucouleurs | 3927505 | 91.4 | 8e+03 | 1.48e+03 | 920 |
radius_de_vaucouleurs_error | 3927505 | 1.24e-12 | 1.47e+03 | 4.09 | 35.2 |
radius_sersic | 3927505 | 119 | 8e+03 | 2.89e+03 | 1.86e+03 |
radius_sersic_error | 3927505 | 1.01e-12 | 3.02e+03 | 198 | 306 |
redshift_ugc | 3475189 | -0.036 | 0.598 | 0.146 | 0.0687 |
redshift_ugc_lower | 3475189 | -0.029 | 0.43 | 0.103 | 0.0506 |
redshift_ugc_upper | 3475189 | 0.033 | 0.624 | 0.171 | 0.0667 |
solution_id | 0 | 1.64e+18 | 1.64e+18 | 1.64e+18 | 0 |
source_id | 0 | 3.68e+12 | 6.92e+18 | 3.62e+18 | 1.95e+18 |
source_selection_flags | 0 | 1 | 29 | 12.9 | 9.3 |
vari_best_class_score | 2365069 | 7.17e-06 | 1 | 0.732 | 0.257 |
galaxy_catalogue_name table
The data fields of galaxy_catalogue_name are described in Section 20.5.2 and statistics are provided in Table 17.11.
Field name | Null values | Minimum | Maximum | Mean | Std. dev. |
catalogue_id | 0 | 1 | 1 | 1 | 0 |
solution_id | 0 | 1.64e+18 | 1.64e+18 | 1.64e+18 | 0 |
source_id | 0 | 1.18e+16 | 6.92e+18 | 3.36e+18 | 1.94e+18 |
qso_candidates table
The data fields of qso_candidates are described in Section 20.5.3. Statistics are provided in Table 17.12, and a selection of plots in Section 17.2.14.
Field name | Null values | Minimum | Maximum | Mean | Std. dev. |
astrometric_selection_flag | 0 | 0 | 1 | 0.285 | 0.452 |
ccfratio_qsoc | 274099 | 0.123 | 1 | 0.883 | 0.161 |
classprob_dsc_combmod_galaxy | 1651 | 0 | 1 | 0.0269 | 0.14 |
classprob_dsc_combmod_quasar | 1651 | 0 | 1 | 0.743 | 0.358 |
ellipticity_hostgalaxy | 6637630 | 0.01 | 0.789 | 0.347 | 0.165 |
ellipticity_hostgalaxy_error | 6637630 | 3.45e-10 | 0.0603 | 0.00219 | 0.00469 |
flags_qsoc | 274099 | 0 | 31 | 21.1 | 8.28 |
fractional_variability_g | 5776934 | 4.49e-05 | 1.08 | 0.1 | 0.0593 |
gaia_crf_source | 0 | 0 | 1 | 0.243 | 0.429 |
host_galaxy_detected | 0 | 0 | 1 | 0.0097 | 0.098 |
host_galaxy_flag | 5564914 | 1 | 6 | 3.51 | 1.12 |
intensity_hostgalaxy | 6635226 | 0.0167 | 17.1 | 0.303 | 0.392 |
intensity_hostgalaxy_error | 6635226 | 9.99e-11 | 0.506 | 0.00158 | 0.00987 |
intensity_quasar | 6633295 | 2.38 | 1.31e+03 | 46 | 28.5 |
intensity_quasar_error | 6633299 | 5.62e-13 | 6.83 | 0.0677 | 0.211 |
l2_norm | 6633295 | 0.483 | 34.1 | 1.08 | 0.553 |
morph_params_corr_vec | 6633295 | nan | nan | nan | nan |
morph_params_corr_vec.avg | 6633295 | -0.441 | 0.967 | -0.0871 | 0.133 |
morph_params_corr_vec.len | 6633295 | 15 | 15 | 15 | 0 |
morph_params_corr_vec.max | 6633295 | -0.309 | 1 | 0.76 | 0.235 |
morph_params_corr_vec.med | 6633295 | -1 | 0.96 | -0.142 | 0.273 |
morph_params_corr_vec.min | 6633295 | -1 | 0.942 | -0.85 | 0.255 |
morph_params_corr_vec.nan | 6633295 | 0 | 14 | 3.92 | 4.93 |
n_transits | 0 | 0 | 256 | 0.118 | 2.54 |
non_qso_variability | 5776934 | -0.0268 | 2.19 | 0.664 | 0.298 |
posangle_hostgalaxy | 6637630 | 0.00573 | 180 | 89.5 | 48.7 |
posangle_hostgalaxy_error | 6637631 | 4.08e-08 | 55.1 | 0.336 | 1.55 |
qso_variability | 5776934 | -1.41 | 3.11 | -0.279 | 0.252 |
radius_hostgalaxy | 6635226 | 133 | 2.5e+03 | 890 | 427 |
radius_hostgalaxy_error | 6635226 | 8.2e-08 | 236 | 5.94 | 15.8 |
redshift_qsoc | 274099 | 0.0827 | 6.13 | 1.99 | 1.41 |
redshift_qsoc_lower | 274099 | -0.0541 | 6.13 | 1.96 | 1.4 |
redshift_qsoc_upper | 274099 | 0.0831 | 6.85 | 2.01 | 1.43 |
sersic_index | 6635226 | 0.5 | 6 | 1.9 | 1.06 |
sersic_index_error | 6635226 | 1.36e-09 | 0.221 | 0.0087 | 0.02 |
solution_id | 0 | 1.64e+18 | 1.64e+18 | 1.64e+18 | 0 |
source_id | 0 | 3.47e+12 | 6.92e+18 | 4.03e+18 | 1.64e+18 |
source_selection_flags | 0 | 1 | 247 | 96.3 | 59.8 |
structure_function_index | 5776934 | -0.27 | 5.33 | 0.792 | 0.284 |
structure_function_index_scatter | 5776934 | 0 | 8.49 | 0.321 | 0.149 |
vari_agn_membership_score | 5776934 | 1.8e-16 | 0.999 | 0.768 | 0.158 |
vari_best_class_score | 5526801 | 1.22e-06 | 1 | 0.549 | 0.295 |
zscore_qsoc | 274099 | 0 | 1 | 0.821 | 0.208 |
qso_catalogue_name table
The data fields of qso_catalogue_name are described in Section 20.5.4 and statistics are provided in Table 17.13.
Field name | Null values | Minimum | Maximum | Mean | Std. dev. |
catalogue_id | 0 | 1 | 7 | 4.73 | 2.15 |
solution_id | 0 | 1.64e+18 | 1.64e+18 | 1.64e+18 | 0 |
source_id | 0 | 5.48e+13 | 6.92e+18 | 3.07e+18 | 1.93e+18 |