Open Access
Table A.1.
Column descriptions for the LOFAR-eFEDS value-added catalogue.
| Column Name | Description |
|---|---|
| LOFAR | |
| LOFAR_Source_id | Unique number that identifies the source. |
| LOFAR_RA | Right ascension of the source (for the equinox of the image), in degrees. |
| LOFAR_DEC | Declination of the source (for the equinox of the image), in degrees. |
| LOFAR_Total_Flux | Total, integrated Stokes I flux density of the source at the reference frequency, in Jy. |
| LOFAR_E_Total_Flux | 1σ error on the total flux density of the source, in Jy. |
| LOFAR_Peak_Flux | Peak Stokes I flux density per beam of the source, in Jy/beam. |
| LOFAR_E_Peak_Flux | 1σ error on the peak flux density per beam of the source, in Jy/beam. |
| LOFAR_Maj | FWHM of the major axis of the source, in degrees. |
| LOFAR_pos_err | Positional error calculated using Eq. (C.1). |
| LOFAR: Morphology Flags | |
| LOFAR_scodeS_flag | True if LOFAR_S_code=S, i.e. fit with only a single Gaussian by PyBDSF. |
| LOFAR_fluxratio_flag | True if LOFAR_Total_Flux/LOFAR_Peak_Flux < 3.6. |
| LOFAR_maj_flag | True if LOFAR_Maj < 19.1″. |
| LOFAR_isolated_flag | True if no nearest neighbours within 45″. |
| LOFAR_compact_flag | True: compact source; all four flags above are True (see Sect. 3.2.1). False: complex source. |
| Legacy Survey DR9 | |
| LS9_UNIQUE_OBJID | Unique source identifier: BRICKID_OBJID (RELEASE = 9010 for sources present here). |
| LS9_TYPE | Morphological model. |
| LS9_RA | Right ascension at equinox J2000. |
| LS9_DEC | Declination at equinox J2000. |
| LS9_pos_err | Positional error. |
| LS9_mag_g_dered | Dereddened g-band magnitude. |
| LS9_mag_r_dered | Dereddened r-band magnitude. |
| LS9_mag_z_dered | Dereddened z-band magnitude. |
| LS9_mag_W1_dered | Dereddened W1-band magnitude. |
| LS9_mag_W2_dered | Dereddened W2-band magnitude. |
| LS9_mag_W3_dered | Dereddened W3-band magnitude. |
| LS9_mag_W4_dered | Dereddened W4-band magnitude. |
| NWAY Match | |
| CTP_Separation | Separation, in arcsec, between LOFAR source and best-match LS9 counterpart. |
| p_i | Probability for the counterpart to be the correct one. |
| p_any | Probability for a source to have any counterpart in the search region. Optimal: p_any > 0.06. |
| GAMA09 | |
| uberID | Unique GAMA ID of object. |
| CATAID | Unique numeric GAMA object identifier. |
| RAcen | Right Ascension of flux-weighted centre (ICRS). |
| Deccen | Declination of flux-weighted centre (ICRS). |
| Z | Spectroscopic redshift. |
| StellarMass_50 | Median stellar mass from MCMC chain. |
| StellarMass_16 | 16th percentile stellar mass from MCMC chain. |
| StellarMass_84 | 84th percentile stellar mass from MCMC chain. |
| SFR_50 | Median SFR from MCMC chain. |
| SFR_16 | 16th percentile SFR from MCMC chain. |
| SFR_84 | 84th percentile SFR from MCMC chain. |
| SC | Science sample class. SC ≥6 is used here. |
| Additional Flags | |
| radioAGN_flag | True if LOFAR source (with S/N> 5, p_any > 0.06) fulfils radio-excess criterion defined by Eq. (5). |
| vis_inspected | True if source has been visually inspected (see Appendix C). |
| G9_radioAGN | Final sample of mass-complete G9 radio AGN, with visual inspection results applied (see Table 1). |
| FRII_flag | FRII_flag = 1, 0.5, 0: secure, likely, unlikely FRII-morphology, respectively. |
| GRG_flag | Giant radio galaxy flag (largest linear size > 0.7 Mpc). |
| G9_radioXray_sources | True if the LOFAR source has an X-ray match in eROSITA eFEDS (see Table 1). |
| special_flag | True if source required special cross-matching and/or property estimation (see Appendix A). |
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