PyBDSF Source Catalogue
The column descriptions provided are taken from the PyBDSF documentation. See PyBDSF Documentation for full details. The PyBDSF parameters used to generate the source and Gaussian catalogues are described by Ye et al. (2024).
Column Descriptions
| Column | Units | Description |
|---|---|---|
| RA | deg | The right ascension of the source (for the equinox of the image) |
| E_RA | deg | The error on the right ascension of the source |
| DEC | deg | The declination of the source (for the equinox of the image) |
| E_DEC | deg | The 1-sigma error on the declination of the source |
| Total_flux | Jy | The total, integrated Stokes I flux density of the source at the reference frequency |
| ETotalflux | Jy | The 1-sigma error on the total flux density of the source |
| Peak_flux | Jy/bm | The peak Stokes I flux density per beam of the source |
| EPeakflux | Jy/bm | The 1-sigma error on the peak flux density per beam of the source |
| Maj | deg | The FWHM of the major axis of the source |
| E_Maj | deg | The 1-sigma error on the FWHM of the major axis of the source |
| Min | deg | The FWHM of the minor axis of the source |
| E_Min | deg | The 1-sigma error on the FWHM of the minor axis of the source |
| PA | deg | The position angle of the major axis of the source measured east of north |
| E_PA | deg | The 1-sigma error on the position angle of the major axis of the source |
| IslTotalflux | Jy | The total, integrated Stokes I flux density of the island in which the source is located. This value is calculated from the sum of all non-masked pixels in the island with values above thresh_isl. |
| EIslTotal_flux | Jy | The 1-sigma error on the total flux density of the island in which the source is located |
| Isl_rms | Jy/bm | The average background RMS value of the island |
| ResidIslrms | Jy/bm | The average residual background RMS value of the island |
| S_Code | A code that defines the source structure: S for single Gaussian, M for multiple Gaussian, C for a single-Gaussian source in an island with other sources. |