etaCha_c001_main_V1.1.fits
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Key | Value | Type | Comment |
---|
Catalog of X-ray sources, 0.2-2.3 keV
Key | Value | Type | Comment |
---|
Name | Type | Unit | Description |
---|---|---|---|
ERO_NAME | char[21] | None | eROSITA/SRG name |
ID_SRC | int32 | None | Source ID |
RA | float64 | deg | Right ascension |
DEC | float64 | deg | Declination |
RADEC_ERR | float32 | arcsec | Combined positional error |
EXT | float32 | arcsec | Source extent |
EXT_ERR | float32 | arcsec | Extent error |
EXT_LIKE | float32 | None | Extent likelihood |
ML_CTS | float32 | cts | Source counts from PSF-fitting |
ML_CTS_ERR | float32 | cts | 1-sigma source counts error |
ML_RATE | float32 | count s-1 | Source rate from PSF-fitting |
ML_RATE_ERR | float32 | count s-1 | 1-sigma rate error |
ML_FLUX | float32 | cm-2 erg s-1 | Source flux in the detection band |
ML_FLUX_ERR | float32 | cm-2 erg s-1 | 1-sigma source flux error |
DET_LIKE | float32 | None | Detection likelihood |
ML_BKG | float32 | arcmin-2 count | Background at the source position |
etaCha_c001_hard_V1.fits
Key | Value | Type | Comment |
---|
Catalog of X-ray sources, 2.3-5.0 keV
Key | Value | Type | Comment |
---|
Name | Type | Unit | Description |
---|---|---|---|
ERO_NAME | char[21] | None | eROSITA/SRG name |
ID_SRC | int32 | None | |
ID_MAIN | int32 | None | Source ID in the main catalog for overlapping sources |
RA | float64 | deg | |
DEC | float64 | deg | |
RADEC_ERR | float32 | arcsec | |
EXT | float32 | arcsec | |
EXT_ERR | float32 | arcsec | |
EXT_LIKE | float32 | None | |
ML_CTS | float32 | count | |
ML_CTS_ERR | float32 | count | |
ML_RATE | float32 | count s-1 | |
ML_RATE_ERR | float32 | count s-1 | |
ML_FLUX | float32 | cm-2 erg s-1 | |
ML_FLUX_ERR | float32 | cm-2 erg s-1 | |
DET_LIKE | float32 | None | |
ML_BKG | float32 | arcmin-2 count |
Predehl et al. 2020. The eROSITA X-ray telescope on SRG
Robrade et al. 2021. The eROSITA X-ray scan of the eta Chamaeleontis cluster
The eROSITA data model structure for catalogues was branched from the SDSS data model for value added catalogues.