Source_Name - Name of the source in the LoTSS Deep DR1 catalogue.
RA - Right ascension of the source in the LoTSS Deep DR1 catalogue, in degrees.
DEC - Declination of the source in the LoTSS Deep DR1 catalogue, in degrees.
redshift - Redshift estimate of the source per LoTSS Deep DR1.
is_specz - Whether the redshift was spectroscopically confirmed or not.
Total_flux - Flux density as measured by PyBDSF, from the LoTSS Deep DR1 catalogue, in Jansky.
E_Total_flux - Fitting uncertainty in the flux density as measured by PyBDSF, from the LoTSS Deep DR1 catalogue, in Jansky.
Isl_rms - Root-mean-square noise level as estimated by PyBDSF, from the LoTSS Deep DR1 catalogue, in Jansky per beam.
L144 - 144 MHz luminosity derived by converting the `Total_flux` column using the available redshift estimate. The assumed cosmology is an LCDM cosmology with H0=70 km/s/Mpc, Omega_m=0.3 and Omega_lambda=0.7.
final_size - The final angular size as measured by the method listed in `final_size_method`, in arcsec.
final_size_physical - The final size by converting the angular size from `final_size`, in kiloparsec.
final_size_method - The final method chosen to measure the source's size.
DC_Maj - The deconvolved major axis as estimated by PyBDSF, from the LoTSS Deep DR1 catalogue, in arcsec.
E_Maj - Fitting uncertainty on the deconvolved major axis, in arcsec.
DC_Min - The deconvolved minor axis as estimated by PyBDSF, from the LoTSS Deep DR1 catalogue, in arcsec.
E_Min - Fitting uncertainty on the deconvolved minor axis, in arcsec.
PA - Position angle as fitted by PyBDSF, from the LoTSS Deep DR1 catalogue, in degrees.
E_PA - Fitting uncertainty on the position angle, in degrees.
imfit_dc_maj_1arc - Deconvolved major axis as fitted by CASA's imfit task, from the intermediate-resolution image, in arcsec.
imfit_dc_maj_err_1arc - Fitting uncertainty on the deconvolved major axis as fitted by CASA's imfit task, from the intermediate-resolution image, in arcsec.
imfit_dc_min_1arc - Deconvolved minor axis as fitted by CASA's imfit task, from the intermediate-resolution image, in arcsec.
imfit_dc_min_err_1arc - Fitting uncertainty on the deconvolved minor axis as fitted by CASA's imfit task, from the intermediate-resolution image, in arcsec.
imfit_pa_1arc - Position angle as fitted by CASA's imfit task, from the intermediate-resolution image, in degrees.
imfit_pa_err_1arc - Fitting uncertainty on the position angle as fitted by CASA's imfit task, from the intermediate-resolution image, in degrees.
imfit_dc_maj_0p3arc - Deconvolved major axis as fitted by CASA's imfit task, from the high-resolution image, in arcsec.
imfit_dc_maj_err_0p3arc - Fitting uncertainty on the deconvolved major axis as fitted by CASA's imfit task, from the high-resolution image, in arcsec.
imfit_dc_min_0p3arc - Deconvolved minor axis as fitted by CASA's imfit task, from the high-resolution image, in arcsec.
imfit_dc_min_err_0p3arc - Fitting uncertainty on the deconvolved minor axis as fitted by CASA's imfit task, from the high-resolution image, in arcsec.
imfit_pa_0p3arc - Position angle as fitted by CASA's imfit task, from the high-resolution image, in degrees.
imfit_pa_err_0p3arc - Fitting uncertainty on the position angle as fitted by CASA's imfit task, from the high-resolution image, in degrees.
imfit_flux_1arc - Flux density as fitted by CASA's imfit task, from the intermediate-resolution image, in Jansky.
imfit_flux_err_1arc - Fitting uncertainty on the flux density as fitted by CASA's imfit task, from the intermediate-resolution image, in Jansky.
imfit_peak_flux_1arc - Peak intensity as fitted by CASA's imfit task, from the intermediate-resolution image, in Jansky.
imfit_peak_flux_err_1arc - Fitting uncertainty on the peak intensity as fitted by CASA's imfit task, from the intermediate-resolution image, in Jansky.
imfit_flux_0p3arc - Flux density as fitted by CASA's imfit task, from the high-resolution image, in Jansky.
imfit_flux_err_0p3arc - Fitting uncertainty on the flux density as fitted by CASA's imfit task, from the high-resolution image, in Jansky.
imfit_peak_flux_0p3arc - Peak intensity as fitted by CASA's imfit task, from the high-resolution image, in Jansky.
imfit_peak_flux_err_0p3arc - Fitting uncertainty on the peak intensity as fitted by CASA's imfit task, from the high-resolution image, in Jansky.
flood_fill_size_6arc - Size estimate using a flood-fill algorithm, measured from the standard-resolution image, in arcsec.
flood_fill_size_1arc - Size estimate using a flood-fill algorithm, measured from the intermediate-resolution image, in arcsec.
flood_fill_size_0p3arc - Size estimate in arcsec using a flood-fill algorithm, measured from the high-resolution image, in arcsec.
Overall_class - Overall classification as derived by Best et al. 2023.
Tb_144 - Brightness temperature derived from the high-resolution image, in log10 Kelvin.
upper_limit - Whether the size measurement indicates an upper limit or not.
upper_limit_reason - Reason why the size measurement is reported as upper limit.