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Table: delve_dr2.photoz
(The bold columns are indexed columns)
| Column Name | Description | Datatype |
|---|---|---|
| dec | Declination in degrees | DOUBLE |
| elat | Ecliptic latitude | DOUBLE |
| elon | Ecliptic longitude | DOUBLE |
| extended_class | Discriminator for star/galaxy classification (see Drlica-Wagner et al. 2022) | BIGINT |
| flag_color_cut | The object was rejected by the color cut (1 for yes, 0 for no) | SMALLINT |
| flag_nband | Number of bands with magnitudes available (0 < mag < 99) | SMALLINT |
| flag_sn10 | The number of bands with signal-to-noise ratio > 10 | SMALLINT |
| flags_g | SExtractor flags for the best detection in g-band | SMALLINT |
| flags_i | SExtractor flags for the best detection in i-band | SMALLINT |
| flags_r | SExtractor flags for the best detection in r-band | SMALLINT |
| flags_z | SExtractor flags for the best detection in z-band | SMALLINT |
| glat | Galactic latitude | DOUBLE |
| glon | Galactic longitude | DOUBLE |
| htm9 | HTM Level-9 index | INTEGER |
| mag_g | Magnitude auto in the g band | REAL |
| model_gri | The model used just g, r, and i bands for the inference (1 for yes, 0 for no) | SMALLINT |
| model_griz | The model used g, r, i, and z bands for the inference (1 for yes, 0 for no) | SMALLINT |
| nest4096 | Healpix ID with nside 4096, nested schema | INTEGER |
| quick_object_id | Unique identifier for each object | DOUBLE |
| ra | Right ascension in degrees | DOUBLE |
| random_id | Random ID in the range 0 to 100 (decimal) | REAL |
| ring256 | Healpix ID with nside 256, ring schema | INTEGER |
| training | The object was used in the network training process (1 for yes, 0 for no) | SMALLINT |
| z | Photometric redshift (photo-z) defined as the peak of the probability density function | DOUBLE |
| z_median | Photo-z median of the probability density function | DOUBLE |
| z_pdf_odds | PDF area within the interval (PDF_peak-0.06, PDF_peak+0.06) | DOUBLE |
| z_samples_1 | One of three photo-z values randomly sampled following the associated PDF | DOUBLE |
| z_samples_2 | One of three photo-z values randomly sampled following the associated PDF | DOUBLE |
| z_samples_3 | One of three photo-z values randomly sampled following the associated PDF | DOUBLE |
| zerr | Error corresponding to 68% confidence level associated with photo-z | DOUBLE |
| zspec | Spectroscopic redshift (when available) | DOUBLE |
