The eFEDS main catalog and supplementary catalog
X-ray sources detected in the 0.2-2.3 keV band using eSASS adopting a detection likelihood threshold of 5. The sources with detection likelihood >6 are selected as the main eFEDS catalog (27910 sources), and the less reliable ones with likelihood less than 6 are stored in a supplementary catalog (4774 sources).
| Name | Type | Unit | Description |
|---|---|---|---|
| ID_SRC | int32 | None | Source ID |
| RA | float64 | deg | Uncorrected RA (deg) |
| DEC | float64 | deg | Uncorrected Dec (deg) |
| RADEC_ERR | float32 | arcsec | Combined positional uncertainty (arcsec) |
| EXT | float32 | arcsec | Source extent (arcsec) |
| EXT_ERR | float32 | arcsec | Extent error (arcsec) |
| EXT_LIKE | float32 | None | Extent likelihood |
| ML_CTS | float32 | None | Source net counts measured from count rate |
| ML_CTS_ERR | float32 | None | 1 sigma counts error |
| ML_RATE | float32 | count /s | Source count rate measured by PSF-fitting (counts/s) |
| ML_RATE_ERR | float32 | count /s | 1 sigma count rate error (counts/s) |
| ML_FLUX | float32 | erg /cm**2 /s | Source flux converted from count rate (erg/cm^2/s) |
| ML_FLUX_ERR | float32 | erg /cm**2 /s | 1 sigma flux error (erg/cm^2/s) |
| DET_LIKE | float32 | None | Detection likelihood measured by PSF-fitting |
| ML_BKG | float32 | count /arcmin**2 | Background flux at the source position (counts/arcmin^2) |
| ML_EXP | float32 | s | Vignetted exposure value (seconds) |
| RA_CORR | float64[1] | None | Corrected RA (deg) |
| DEC_CORR | float64[1] | None | Corrected Dec (deg) |
| RADEC_ERR_CORR | float64[1] | None | Combined positional uncertainty (arcsec), corrected |
| ML_CTS_s | float64[1] | None | Source net counts measured from count rate; 0.5-2 keV |
| ML_CTS_ERR_s | float64[1] | None | 1 sigma counts error; 0.5-2 keV |
| DET_LIKE_s | float64[1] | None | Detection likelihood measured by forced PSF-fitting; 0.5-2 keV |
| ML_BKG_s | float64[1] | None | Background flux at the source position (counts/arcmin^2); 0.5-2 keV |
| ML_EXP_s | float64[1] | None | Vignetted exposure value (seconds); 0.5-2 keV |
| ML_FLUX_s | float64[1] | None | Source flux converted from count rate (erg/cm^2/s); 0.5-2 keV |
| ML_FLUX_ERR_s | float64[1] | None | 1 sigma flux error (erg/cm^2/s); 0.5-2 keV |
| ML_RATE_s | float64[1] | None | Source count rate measured by forced PSF-fitting (counts/s);0.5-2keV |
| ML_RATE_ERR_s | float64[1] | None | 1 sigma count rate error (counts/s); 0.5-2 keV |
| APE_CTS_s | int32[1] | None | Total counts extracted within the aperture (counts); 0.5-2 keV |
| APE_BKG_s | float64[1] | None | Background counts in the aperture excluding nearby sources; 0.5-2keV |
| APE_EXP_s | float64[1] | None | Vignetted exposure value (seconds); 0.5-2 keV |
| APE_RADIUS_s | float64[1] | None | Aperture radius (pixels); 0.5-2 keV |
| APE_POIS_s | float64[1] | None | Poisson probability of being background fluctuation; 0.5-2 keV |
| ML_CTS_u | float64[1] | None | Source net counts measured from count rate; 5-8 keV |
| ML_CTS_ERR_u | float64[1] | None | 1 sigma counts error; 5-8 keV |
| DET_LIKE_u | float64[1] | None | Detection likelihood measured by forced PSF-fitting; 5-8 keV |
| ML_BKG_u | float64[1] | None | Background flux at the source position (counts/arcmin^2); 5-8 keV |
| ML_EXP_u | float64[1] | None | Vignetted exposure value (seconds); 5-8 keV |
| ML_FLUX_u | float64[1] | None | Source flux converted from count rate (erg/cm^2/s); 5-8 keV |
| ML_FLUX_ERR_u | float64[1] | None | 1 sigma flux error (erg/cm^2/s); 5-8 keV |
| ML_RATE_u | float64[1] | None | Source count rate measured by forced PSF-fitting (counts/s); 5-8 keV |
| ML_RATE_ERR_u | float64[1] | None | 1 sigma count rate error (counts/s); 5-8 keV |
| APE_CTS_u | int32[1] | None | Total counts extracted within the aperture (counts); 5-8 keV |
| APE_BKG_u | float64[1] | None | Background counts in the aperture excluding nearby sources; 5-8 keV |
| APE_EXP_u | float64[1] | None | Vignetted exposure value (seconds); 5-8 keV |
| APE_RADIUS_u | float64[1] | None | Aperture radius (pixels); 5-8 keV |
| APE_POIS_u | float64[1] | None | Poisson probability of being background fluctuation; 5-8 keV |
| ML_CTS_t | float64[1] | None | Source net counts measured from count rate; 2.3-5 keV |
| ML_CTS_ERR_t | float64[1] | None | 1 sigma counts error; 2.3-5 keV |
| DET_LIKE_t | float64[1] | None | Detection likelihood measured by forced PSF-fitting; 2.3-5 keV |
| ML_BKG_t | float64[1] | None | Background flux at the source position (counts/arcmin^2); 2.3-5 keV |
| ML_EXP_t | float64[1] | None | Vignetted exposure value (seconds); 2.3-5 keV |
| ML_FLUX_t | float64[1] | None | Source flux converted from count rate (erg/cm^2/s); 2.3-5 keV |
| ML_FLUX_ERR_t | float64[1] | None | 1 sigma flux error (erg/cm^2/s); 2.3-5 keV |
| ML_RATE_t | float64[1] | None | Source count rate measured by forced PSF-fitting (counts/s);2.3-5keV |
| ML_RATE_ERR_t | float64[1] | None | 1 sigma count rate error (counts/s); 2.3-5 keV |
| APE_CTS_t | int32[1] | None | Total counts extracted within the aperture (counts); 2.3-5 keV |
| APE_BKG_t | float64[1] | None | Background counts in the aperture excluding nearby sources; 2.3-5keV |
| APE_EXP_t | float64[1] | None | Vignetted exposure value (seconds); 2.3-5 keV |
| APE_RADIUS_t | float64[1] | None | Aperture radius (pixels); 2.3-5 keV |
| APE_POIS_t | float64[1] | None | Poisson probability of being background fluctuation; 2.3-5 keV |
| ML_CTS_b1 | float64[1] | None | Source net counts measured from count rate; 0.2-0.5 keV |
| ML_CTS_ERR_b1 | float64[1] | None | 1 sigma counts error; 0.2-0.5 keV |
| DET_LIKE_b1 | float64[1] | None | Detection likelihood measured by forced PSF-fitting; 0.2-0.5 keV |
| ML_BKG_b1 | float64[1] | None | Background flux at the source position (counts/arcmin^2); 0.2-0.5 ke |
| ML_EXP_b1 | float64[1] | None | Vignetted exposure value (seconds); 0.2-0.5 keV |
| ML_FLUX_b1 | float64[1] | None | Source flux converted from count rate (erg/cm^2/s); 0.2-0.5 keV |
| ML_FLUX_ERR_b1 | float64[1] | None | 1 sigma flux error (erg/cm^2/s); 0.2-0.5 keV |
| ML_RATE_b1 | float64[1] | None | Source count rate measured by forced PSF-fitting (counts/s);.2-.5keV |
| ML_RATE_ERR_b1 | float64[1] | None | 1 sigma count rate error (counts/s); 0.2-0.5 keV |
| APE_CTS_b1 | int32[1] | None | Total counts extracted within the aperture (counts); 0.2-0.5 keV |
| APE_BKG_b1 | float64[1] | None | Background counts in the aperture excluding nearby sources; .2-.5keV |
| APE_EXP_b1 | float64[1] | None | Vignetted exposure value (seconds); 0.2-0.5 keV |
| APE_RADIUS_b1 | float64[1] | None | Aperture radius (pixels); 0.2-0.5 keV |
| APE_POIS_b1 | float64[1] | None | Poisson probability of being background fluctuation; 0.2-0.5 keV |
| ML_CTS_b2 | float64[1] | None | Source net counts measured from count rate; 0.5-1 keV |
| ML_CTS_ERR_b2 | float64[1] | None | 1 sigma counts error; 0.5-1 keV |
| DET_LIKE_b2 | float64[1] | None | Detection likelihood measured by forced PSF-fitting; 0.5-1 keV |
| ML_BKG_b2 | float64[1] | None | Background flux at the source position (counts/arcmin^2); 0.5-1 keV |
| ML_EXP_b2 | float64[1] | None | Vignetted exposure value (seconds); 0.5-1 keV |
| ML_FLUX_b2 | float64[1] | None | Source flux converted from count rate (erg/cm^2/s); 0.5-1 keV |
| ML_FLUX_ERR_b2 | float64[1] | None | 1 sigma flux error (erg/cm^2/s); 0.5-1 keV |
| ML_RATE_b2 | float64[1] | None | Source count rate measured by forced PSF-fitting (counts/s);0.5-1keV |
| ML_RATE_ERR_b2 | float64[1] | None | 1 sigma count rate error (counts/s); 0.5-1 keV |
| APE_CTS_b2 | int32[1] | None | Total counts extracted within the aperture (counts); 0.5-1 keV |
| APE_BKG_b2 | float64[1] | None | Background counts in the aperture excluding nearby sources; 0.5-1keV |
| APE_EXP_b2 | float64[1] | None | Vignetted exposure value (seconds); 0.5-1 keV |
| APE_RADIUS_b2 | float64[1] | None | Aperture radius (pixels); 0.5-1 keV |
| APE_POIS_b2 | float64[1] | None | Poisson probability of being background fluctuation; 0.5-1 keV |
| ML_CTS_b3 | float64[1] | None | Source net counts measured from count rate; 1-2 keV |
| ML_CTS_ERR_b3 | float64[1] | None | 1 sigma counts error; 1-2 keV |
| DET_LIKE_b3 | float64[1] | None | Detection likelihood measured by forced PSF-fitting; 1-2 keV |
| ML_BKG_b3 | float64[1] | None | Background flux at the source position (counts/arcmin^2); 1-2 keV |
| ML_EXP_b3 | float64[1] | None | Vignetted exposure value (seconds); 1-2 keV |
| ML_FLUX_b3 | float64[1] | None | Source flux converted from count rate (erg/cm^2/s); 1-2 keV |
| ML_FLUX_ERR_b3 | float64[1] | None | 1 sigma flux error (erg/cm^2/s); 1-2 keV |
| ML_RATE_b3 | float64[1] | None | Source count rate measured by forced PSF-fitting (counts/s); 1-2 keV |
| ML_RATE_ERR_b3 | float64[1] | None | 1 sigma count rate error (counts/s); 1-2 keV |
| APE_CTS_b3 | int32[1] | None | Total counts extracted within the aperture (counts); 1-2 keV |
| APE_BKG_b3 | float64[1] | None | Background counts in the aperture excluding nearby sources; 1-2 keV |
| APE_EXP_b3 | float64[1] | None | Vignetted exposure value (seconds); 1-2 keV |
| APE_RADIUS_b3 | float64[1] | None | Aperture radius (pixels); 1-2 keV |
| APE_POIS_b3 | float64[1] | None | Poisson probability of being background fluctuation; 1-2 keV |
| ML_CTS_b4 | float64[1] | None | Source net counts measured from count rate; 2-4.5 keV |
| ML_CTS_ERR_b4 | float64[1] | None | 1 sigma counts error; 2-4.5 keV |
| DET_LIKE_b4 | float64[1] | None | Detection likelihood measured by forced PSF-fitting; 2-4.5 keV |
| ML_BKG_b4 | float64[1] | None | Background flux at the source position (counts/arcmin^2); 2-4.5 keV |
| ML_EXP_b4 | float64[1] | None | Vignetted exposure value (seconds); 2-4.5 keV |
| ML_FLUX_b4 | float64[1] | None | Source flux converted from count rate (erg/cm^2/s); 2-4.5 keV |
| ML_FLUX_ERR_b4 | float64[1] | None | 1 sigma flux error (erg/cm^2/s); 2-4.5 keV |
| ML_RATE_b4 | float64[1] | None | Source count rate measured by forced PSF-fitting (counts/s);2-4.5keV |
| ML_RATE_ERR_b4 | float64[1] | None | 1 sigma count rate error (counts/s); 2-4.5 keV |
| APE_CTS_b4 | int32[1] | None | Total counts extracted within the aperture (counts); 2-4.5 keV |
| APE_BKG_b4 | float64[1] | None | Background counts in the aperture excluding nearby sources; 2-4.5keV |
| APE_EXP_b4 | float64[1] | None | Vignetted exposure value (seconds); 2-4.5 keV |
| APE_RADIUS_b4 | float64[1] | None | Aperture radius (pixels); 2-4.5 keV |
| APE_POIS_b4 | float64[1] | None | Poisson probability of being background fluctuation; 2-4.5 keV |
| Name | char[22] | None | Source name |
| inArea90 | bool[1] | None | True if in the 0.2-2.3keV exp>500s region, which comprises 90% area |