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Data Model: ulx_erass1_contaminants

General description
Identified contaminants in the eRASS1 ULX catalog, as described in Weber et al. (2026)

Filename:
ulx_erass1_contaminants.fits

Approximate size
222 KB

File type
FITS

Sections

Content of the page (HDU means "Header Data Unit" of a fits file).

HDU0: PRIMARY

Default, required, and empty primary HDU

HDU Type
IMAGE
HDU Size
0 bytes
Header Table Caption for HDU0
KeyValueTypeComment

HDU1: CATALOG

The contaminants in the eRASS1 ULX catalog

HDU Type
BINARY TABLE
HDU Size
89 KB
Header Table Caption for HDU1
KeyValueTypeComment
Binary Table Caption for HDU1
NameTypeUnitDescription
IAUNAME char[23] None String containing the official IAU name of the source (IAUNAME) (1eRASS JHHMMSS.s+DDMMSS)
RAJ2000 float64 deg Right ascension (ICRS), corrected (RA)
DEJ2000 float64 deg Declination (ICRS), corrected (DEC)
screen_background int32 None Number of times the source was flagged as background source
screen_background_n int32 None Number of times screen_background was investigated
screen_diffuse int32 None Number of times the source was flagged as diffuse rgion of emission
screen_diffuse_n int32 None Number of times screen_diffuse was investigated
screen_interacting int32 None Number of times the hosting galaxy was flagged as interacting with another galaxy
screen_interacting_n int32 None Number of times screen_interacting was investigated
screen_nuclear int32 None Number of times the source was flagged in the center nuclear region of the hosting galaxy
screen_nuclear_n int32 None Number of times screen_nuclear was investigated
screen_optical int32 None Number of times the source was flagged as counterpart to an optical source
screen_optical_n int32 None Number of times screen_optical was investigated
screen_sfr int32 None Number of times the source was flagged as associated with a star forming region
screen_sfr_n int32 None Number of times screen_sfr was investigated
screen_spurious int32 None Number of times the source was flagged as spurious detection
screen_spurious_n int32 None Number of times screen_spurious was investigated
screen_star int32 None Number of times the source was flagged as associated with a star
screen_star_n int32 None Number of times screen_star was investigated
screen_wd25 int32 None Number of times the D25 region of the galaxy was flagged as incorrect
screen_wd25_n int32 None Number of times screen_wd25 was investigated
screen_wmorph int32 None Number of times the morphological type of the hosting galaxy was flagged as incorrect
screen_wmorph_n int32 None Number of times screen_wmorph was investigated
host_Mb float64 mag Absolute b-band magnitude of the hosting galaxy calculated from HECATE data
host_Lb float64 solLum b-band luminosity of the hosting galaxy calculated from HECATE data
erass1_tstart float64 d First moment the source was observed during eRASS1
erass1_tstop float64 d Last moment the source was observed during eRASS1
erass1_dt float64 d Midpoint of all eRASS1 observations
erass1_t float64 d Time difference between first and last observation during erass1
erass1_exposure_0 float64 s Total exposure time during eRASS1 for the spectra of all 7 TMs combined
erass1_exposure_8 float64 s Total exposure time during eRASS1 for the spectra of TMs 1 to 4 and 6 combined and scaled to 7 TMs
erass1_exposure_9 float64 s Total exposure time during eRASS1 for the spectra of TMs 5 and 7 combined and scaled to 7 TMs
cumulative_angle_area float64 arcsec2 Cumulative sensitive area for one quadrant of all HECATE galaxies combined and integrated from the center to the $D_{25}$ limit over the angle starting from the semimajor axis to the source
cumulative_angle_area_norm float64 None Values from cumulative_angle_area, normalized to the unit circle for each galaxy
cumulative_radial_area float64 arcsec2 Cumulative sensitive area of all HECATE galaxies combined and integrated radially from the center to the source
cumulative_radial_area_norm float64 None Values from cumulative_radial_area, normalized to the unit circle for each galaxy
eccentricity float64 None Eccentricity of the D25 region of the hosting galaxy
phi float64 deg Position angle of the source with respect to the semimajor axis of the hosting galaxy
r_abs float64 deg Absolute angular separation of the source to the galaxy center
r_gal float64 deg Absolute angular separation between the core of the hosting galaxy and the D25 ellipse in the direction of the source
r_norm float64 None Angular separation between the core of the hosting galaxy and the source normalized by the separation from the core to the D25 ellipse
fmin float64 erg s-1 cm-2 Minimum flux required for a detection of any source with a likelihood of at least 20 in the hosting galaxy
fmin_ulx float64 erg s-1 cm-2 Minimum flux required for the detection of a source with a likelihood of at least 20 in the hosting galaxy and a classification for ULX
lmin float64 erg s-1 Minimum luminosity required for a detection of any source with a likelihood of at least 20 in the hosting galaxy
counts float64 count eROSITA X-ray counts extracted from the spectrum
e_counts float64 count Uncertainty on the extracted counts using the mechanism by Gehrels et al., 1986
ecf_0 float64 erg cm-2 count-1 Energy conversion factor for all TMs combined
ecf_8 float64 erg cm-2 count-1 Energy conversion factor for TMs 1 to 4 and 6
ecf_9 float64 erg cm-2 count-1 Energy conversion factor for TMs 5 and 7
flux float64 erg s-1 cm-2 0.2 keV to 5.0 keV band flux determined by fitting the norm of the spectrum with an absorbed broken power law (Gamma = 1.7, Nh = 1e-21)
e_flux float64 erg s-1 cm-2 Lower uncertainty of flux_norm_fit
E_flux float64 erg s-1 cm-2 Upper uncertainty of flux_norm_fit
lum float64 erg s-1 Luminosity derived from flux_norm_fit
e_lum float64 erg s-1 Lower uncertainty of lum_norm_fit
E_lum float64 erg s-1 Upper uncertainty of lum_norm_fit
rate float64 count s-1 Count rate in the 0.2 keV to 5.0 keV band determined from the spectra
e_rate float64 count s-1 Uncertainty on the count rate using the mechanism by Gehrels et al., 1986
Chandra_HR_hm float64 None Hardness ratio in the hard and medium band of CSC 2.1
e_Chandra_HR_hm float64 None Lower uncertainty of the hardness ratio in the hard and medium band of CSC 2.1
E_Chandra_HR_hm float64 None Upper uncertainty of the hardness ratio in the hard and medium band of CSC 2.1
Chandra_HR_hs float64 None Hardness ratio in the hard and soft band of CSC 2.1
e_Chandra_HR_hs float64 None Lower uncertainty of the hardness ratio in the hard and soft band of CSC 2.1
E_Chandra_HR_hs float64 None Upper uncertainty of the hardness ratio in the hard and soft band of CSC 2.1
Chandra_HR_ms float64 None Hardness ratio in the medium and soft band of CSC 2.1
e_Chandra_HR_ms float64 None Lower uncertainty of the hardness ratio in the medium and soft band of CSC 2.1
E_Chandra_HR_ms float64 None Upper uncertainty of the hardness ratio in the medium and soft band of CSC 2.1
Swift_HR1 float64 None Hardness ratio in the bands of HR1 of 2SXPS
e_Swift_HR1 float64 None Lower uncertainty of the hardness ratio in the bands of HR1 of 2SXPS
E_Swift_HR1 float64 None Upper uncertainty of the hardness ratio in the bands of HR1 of 2SXPS
Swift_HR2 float64 None Hardness ratio in the bands of HR2 of 2SXPS
e_Swift_HR2 float64 None Lower uncertainty of the hardness ratio in the bands of HR2 of 2SXPS
E_Swift_HR2 float64 None Upper uncertainty of the hardness ratio in the bands of HR2 of 2SXPS
XMM_HR1 float64 None Hardness ratio in the bands of HR1 of 4XMM DR13
e_XMM_HR1 float64 None Lower uncertainty of the hardness ratio in the bands of HR1 of 4XMM DR13
E_XMM_HR1 float64 None Lower uncertainty of the hardness ratio in the bands of HR1 of 4XMM DR13
XMM_HR2 float64 None Hardness ratio in the bands of HR2 of 4XMM DR13
e_XMM_HR2 float64 None Lower uncertainty of the hardness ratio in the bands of HR2 of 4XMM DR13
E_XMM_HR2 float64 None Upper uncertainty of the hardness ratio in the bands of HR2 of 4XMM DR13
XMM_HR3 float64 None Hardness ratio in the bands of HR3 of 4XMM DR13
e_XMM_HR3 float64 None Lower uncertainty of the hardness ratio in the bands of HR3 of 4XMM DR13
E_XMM_HR3 float64 None Upper uncertainty of the hardness ratio in the bands of HR3 of 4XMM DR13
XMM_HR4 float64 None Hardness ratio in the bands of HR4 of 4XMM DR13
e_XMM_HR4 float64 None Lower uncertainty of the hardness ratio in the bands of HR4 of 4XMM DR13
E_XMM_HR4 float64 None Upper uncertainty of the hardness ratio in the bands of HR4 of 4XMM DR13
f_milliquas int32 None Flag indicating a match in the Milliquas catalog version 8
milliquas_ids char[24] None List of potential Milliquas counterparts as Name
f_sdss int32 None Flag indicating a match in the SDSS DR15 catalog
sdss_ids char[19] None List of potential counterparts in the SDSS DR15
f_simbad_star int32 None Flag indicating a match with a star type object in the Simbad database
simbad_star_ids char[51] None List of potential counterparts with type star in the Simbad database
f_walton int32 None Flag indicating a match in the catalog by Walton et al., 2022
f_bernadich int32 None Flag indicating a match in the catalog by Bernadich et al., 2022
bernadich_ids char[11] None Counterpart in the catalog by Bernadich et al., 2022, in the SRCID column
f_kovlakas int32 None Flag indicating a match in the catalog by Kovlakas et al., 2020
kovlakas_ids char[21] None Counterpart in the catalog by Kovlakas et al., 2020
f_tranin_hlx int32 None Flag indicating a match in the HLX sample by Tranin et al., 2024
tranin_hlx_ids char[1] None Counterpart in the HLX sample by Tranin et al., 2024, in the iauname column
f_tranin_ulx int32 None Flag indicating a match in the ULX sample by Tranin et al., 2024
tranin_ulx_ids char[4] None Counterpart in the ULX sample by Tranin et al., 2024, in the iauname column
erass_IAUNAME char[23] None String containing the official IAU name of the source (from eRASS1)
erass_DETUID char[32] None String unique detection ID (from eRASS1)
erass_SKYTILE int32 None Sky tile ID (from eRASS1)
erass_ID_SRC int32 None Source ID in each sky tile. Use SKYTILE+ID_SRC to identify the corresponding source products (from eRASS1)
erass_UID int64 None Integer unique detection ID. It equals CatID*10^11+SKYTILE*10^5+ID_SRC, where catID is 1 for the 1B detected Main and Supp catalogs and 2 for the 3B detected Hard catalog (from eRASS1)
erass_UID_Hard int64 None Hard catalog UID of the source with a strong association, or -UID if the association is weak (from eRASS1)
erass_ID_CLUSTER int32 None Group ID of simultaneously fitted sources (from eRASS1)
erass_RA float64 deg Right ascension (ICRS), corrected (from eRASS1)
erass_DEC float64 deg Declination (ICRS), corrected (from eRASS1)
erass_RA_RAW float64 deg Right ascension (ICRS), uncorrected (from eRASS1)
erass_DEC_RAW float64 deg Declination (ICRS), uncorrected (from eRASS1)
erass_RA_LOWERR float32 arcsec 1-sigma lower error on RA (from eRASS1)
erass_RA_UPERR float32 arcsec 1-sigma upper error on RA (from eRASS1)
erass_DEC_LOWERR float32 arcsec 1-sigma lower error on DEC (from eRASS1)
erass_DEC_UPERR float32 arcsec 1-sigma upper error on DEC (from eRASS1)
erass_POS_ERR float32 arcsec 1-sigma positional uncertainty (from eRASS1)
erass_RADEC_ERR float32 arcsec Combined positional error, raw output from PSF fitting (from eRASS1)
erass_LII float64 deg Galactic longitude (from eRASS1)
erass_BII float64 deg Galactic latitude (from eRASS1)
erass_ELON float64 deg Ecliptic longitude (from eRASS1)
erass_ELAT float64 deg Ecliptic latitude (from eRASS1)
erass_MJD float32 d Modified Julian Date of the observation of the source nearest to the optical axis of the telescope (from eRASS1)
erass_MJD_MIN float32 d Modified Julian Date of the first observation of the source (from eRASS1)
erass_MJD_MAX float32 d Modified Julian Date of the last observation of the source (from eRASS1)
erass_EXT float32 arcsec Source Extent Parameter (from eRASS1)
erass_EXT_ERR float32 arcsec 1-sigma error on EXT (from eRASS1)
erass_EXT_LOWERR float32 arcsec 1-sigma lower error on EXT (from eRASS1)
erass_EXT_UPERR float32 arcsec 1-sigma upper error on EXT (from eRASS1)
erass_EXT_LIKE float32 None Extent likelihood (from eRASS1)
erass_DET_LIKE_0 float32 None Detection likelihood in 0.2-2.3 keV band (from eRASS1)
erass_ML_CTS_1 float32 count Source net counts in 0.2-2.3 keV band (from eRASS1)
erass_ML_CTS_ERR_1 float32 count 1-sigma combined counts error in 0.2-2.3 keV band (from eRASS1)
erass_ML_CTS_LOWERR_1 float32 count 1-sigma lower counts error in 0.2-2.3 keV band (from eRASS1)
erass_ML_CTS_UPERR_1 float32 count 1-sigma upper counts error in 0.2-2.3 keV band (from eRASS1)
erass_ML_RATE_1 float32 count s-1 Source count rate in 0.2-2.3 keV band (from eRASS1)
erass_ML_RATE_ERR_1 float32 count s-1 1-sigma combined count rate error in 0.2-2.3 keV band (from eRASS1)
erass_ML_RATE_LOWERR_1 float32 count s-1 1-sigma lower count rate error in 0.2-2.3 keV band (from eRASS1)
erass_ML_RATE_UPERR_1 float32 count s-1 1-sigma upper count rate error in 0.2-2.3 keV band (from eRASS1)
erass_ML_FLUX_1 float32 erg s-1 cm-2 Source flux in 0.2-2.3 keV band (from eRASS1)
erass_ML_FLUX_ERR_1 float32 erg s-1 cm-2 1-sigma combined error on flux in 0.2-2.3 keV band (from eRASS1)
erass_ML_FLUX_LOWERR_1 float32 erg s-1 cm-2 1-sigma lower error on flux in 0.2-2.3 keV band (from eRASS1)
erass_ML_FLUX_UPERR_1 float32 erg s-1 cm-2 1-sigma upper error on flux in 0.2-2.3 keV band (from eRASS1)
erass_ML_BKG_1 float32 arcmin-2 Background at the source position in the 0.2-2.3 keV band (from eRASS1)
erass_ML_EXP_1 float32 s Vignetted exposure time at the source position in 0.2-2.3 keV band (from eRASS1)
erass_ML_EEF_1 float32 None Enclosed energy fraction (from eRASS1)
erass_APE_CTS_1 int32 count Total counts extracted within the aperture in 0.2-2.3 keV band (from eRASS1)
erass_APE_BKG_1 float32 count Background counts extracted within the aperture in 0.2-2.3 keV band, excluding nearby sources using the source map (from eRASS1)
erass_APE_EXP_1 float32 s Exposure map value in 0.2-2.3 keV band at the given position (from eRASS1)
erass_APE_RADIUS_1 float32 pix Extraction radius in pixels (4'') in the 0.2-2.3 keV band (from eRASS1)
erass_APE_POIS_1 float32 None Poisson probability that the extracted counts (erass_APE_CTS_1) are a background fluctuation (from eRASS1)
erass_DET_LIKE_P1 float32 None Detection likelihood in 0.2-0.5 keV band (from eRASS1)
erass_ML_CTS_P1 float32 count Source net counts in 0.2-0.5 keV band (from eRASS1)
erass_ML_CTS_ERR_P1 float32 count 1-sigma combined counts error in 0.2-0.5 keV band (from eRASS1)
erass_ML_CTS_LOWERR_P1 float32 count 1-sigma lower counts error in 0.2-0.5 keV band (from eRASS1)
erass_ML_CTS_UPERR_P1 float32 count 1-sigma upper counts error in 0.2-0.5 keV band (from eRASS1)
erass_ML_RATE_P1 float32 count s-1 Source count rate in 0.2-0.5 keV band (from eRASS1)
erass_ML_RATE_ERR_P1 float32 count s-1 1-sigma combined count rate error in 0.2-0.5 keV band (from eRASS1)
erass_ML_RATE_LOWERR_P1 float32 count s-1 1-sigma lower count rate error in 0.2-0.5 keV band (from eRASS1)
erass_ML_RATE_UPERR_P1 float32 count s-1 1-sigma upper count rate error in 0.2-0.5 keV band (from eRASS1)
erass_ML_FLUX_P1 float32 erg s-1 cm-2 Source flux in 0.2-0.5 keV band (from eRASS1)
erass_ML_FLUX_ERR_P1 float32 erg s-1 cm-2 1-sigma combined flux error in 0.2-0.5 keV band (from eRASS1)
erass_ML_FLUX_LOWERR_P1 float32 erg s-1 cm-2 1-sigma lower flux error in 0.2-0.5 keV band (from eRASS1)
erass_ML_FLUX_UPERR_P1 float32 erg s-1 cm-2 1-sigma upper flux error in 0.2-0.5 keV band (from eRASS1)
erass_ML_BKG_P1 float32 arcmin-2 Background at the source position in 0.2-0.5 keV band (from eRASS1)
erass_ML_EXP_P1 float32 s Vignetted exposure time at the source position in 0.2-0.5 keV band (from eRASS1)
erass_ML_EEF_P1 float32 None Enclosed energy fraction in 0.2-0.5 keV band (from eRASS1)
erass_APE_CTS_P1 int32 count Total counts extracted within the aperture in 0.2-0.5 keV band (from eRASS1)
erass_APE_BKG_P1 float32 count Background counts extracted within the aperture in 0.2-0.5 keV band, excluding nearby sources using the source map (from eRASS1)
erass_APE_EXP_P1 float32 s Exposure map value at the given position in the 0.2-0.5 keV band (from eRASS1)
erass_APE_RADIUS_P1 float32 pix Extraction radius in pixels (4'') in the 0.2-0.5 keV band (from eRASS1)
erass_APE_POIS_P1 float32 None Poisson probability that the extracted counts (erass_APE_CTS_P1) are a background fluctuation (from eRASS1)
erass_DET_LIKE_P2 float32 None Detection likelihood in 0.5-1.0 keV band (from eRASS1)
erass_ML_CTS_P2 float32 count Source net counts in 0.5-1.0 keV band (from eRASS1)
erass_ML_CTS_ERR_P2 float32 count 1-sigma combined counts error in 0.5-1.0 keV band (from eRASS1)
erass_ML_CTS_LOWERR_P2 float32 count 1-sigma lower counts error in 0.5-1.0 keV band (from eRASS1)
erass_ML_CTS_UPERR_P2 float32 count 1-sigma upper counts error in 0.5-1.0 keV band (from eRASS1)
erass_ML_RATE_P2 float32 count s-1 Source count rate in 0.5-1.0 keV band (from eRASS1)
erass_ML_RATE_ERR_P2 float32 count s-1 1-sigma combined count rate error in 0.5-1.0 keV band (from eRASS1)
erass_ML_RATE_LOWERR_P2 float32 count s-1 1-sigma lower count rate error in 0.5-1.0 keV band (from eRASS1)
erass_ML_RATE_UPERR_P2 float32 count s-1 1-sigma upper count rate error in 0.5-1.0 keV band (from eRASS1)
erass_ML_FLUX_P2 float32 erg s-1 cm-2 Source flux in 0.5-1.0 keV band (from eRASS1)
erass_ML_FLUX_ERR_P2 float32 erg s-1 cm-2 1-sigma combined flux error in 0.5-1.0 keV band (from eRASS1)
erass_ML_FLUX_LOWERR_P2 float32 erg s-1 cm-2 1-sigma lower flux error in 0.5-1.0 keV band (from eRASS1)
erass_ML_FLUX_UPERR_P2 float32 erg s-1 cm-2 1-sigma upper flux error in 0.5-1.0 keV band (from eRASS1)
erass_ML_BKG_P2 float32 arcmin-2 Background at the source position in 0.5-1.0 keV band (from eRASS1)
erass_ML_EXP_P2 float32 s Vignetted exposure time at the source position in 0.5-1.0 keV band (from eRASS1)
erass_ML_EEF_P2 float32 None Enclosed energy fraction in 0.5-1.0 keV band (from eRASS1)
erass_APE_CTS_P2 int32 count Total counts extracted within the aperture in 0.5-1.0 keV band (from eRASS1)
erass_APE_BKG_P2 float32 count Background counts extracted within the aperture in 0.5-1.0 keV band, excluding nearby sources using the source map (from eRASS1)
erass_APE_EXP_P2 float32 s Exposure map value at the given position in the 0.5-1.0 keV band (from eRASS1)
erass_APE_RADIUS_P2 float32 pix Extraction radius in pixels (4'') in the 0.5-1.0 keV band (from eRASS1)
erass_APE_POIS_P2 float32 None Poisson probability that the extracted counts (erass_APE_CTS_P2) are a background fluctuation (from eRASS1)
erass_DET_LIKE_P3 float32 None Detection likelihood in 1.0-2.0 keV band (from eRASS1)
erass_ML_CTS_P3 float32 count Source net counts in 1.0-2.0 keV band (from eRASS1)
erass_ML_CTS_ERR_P3 float32 count 1-sigma combined counts error in 1.0-2.0 keV band (from eRASS1)
erass_ML_CTS_LOWERR_P3 float32 count 1-sigma lower counts error in 1.0-2.0 keV band (from eRASS1)
erass_ML_CTS_UPERR_P3 float32 count 1-sigma upper counts error in 1.0-2.0 keV band (from eRASS1)
erass_ML_RATE_P3 float32 count s-1 Source count rate in 1.0-2.0 keV band (from eRASS1)
erass_ML_RATE_ERR_P3 float32 count s-1 1-sigma combined count rate error in 1.0-2.0 keV band (from eRASS1)
erass_ML_RATE_LOWERR_P3 float32 count s-1 1-sigma lower count rate error in 1.0-2.0 keV band (from eRASS1)
erass_ML_RATE_UPERR_P3 float32 count s-1 1-sigma upper count rate error in 1.0-2.0 keV band (from eRASS1)
erass_ML_FLUX_P3 float32 erg s-1 cm-2 Source flux in 1.0-2.0 keV band (from eRASS1)
erass_ML_FLUX_ERR_P3 float32 erg s-1 cm-2 1-sigma combined flux error in 1.0-2.0 keV band (from eRASS1)
erass_ML_FLUX_LOWERR_P3 float32 erg s-1 cm-2 1-sigma lower flux error in 1.0-2.0 keV band (from eRASS1)
erass_ML_FLUX_UPERR_P3 float32 erg s-1 cm-2 1-sigma upper flux error in 1.0-2.0 keV band (from eRASS1)
erass_ML_BKG_P3 float32 erg s-1 cm-2 Background at the source position in 1.0-2.0 keV band (from eRASS1)
erass_ML_EXP_P3 float32 s Vignetted exposure time at the source position in 1.0-2.0 keV band (from eRASS1)
erass_ML_EEF_P3 float32 None Enclosed energy fraction in 1.0-2.0 keV band (from eRASS1)
erass_APE_CTS_P3 int32 count Total counts extracted within the aperture in 1.0-2.0 keV band (from eRASS1)
erass_APE_BKG_P3 float32 count Background counts extracted within the aperture in 1.0-2.0 keV band, excluding nearby sources using the source map (from eRASS1)
erass_APE_EXP_P3 float32 s Exposure map value at the given position in the 1.0-2.0 keV band (from eRASS1)
erass_APE_RADIUS_P3 float32 pix Extraction radius in pixels (4'') in the 1.0-2.0 keV band (from eRASS1)
erass_APE_POIS_P3 float32 None Poisson probability that the extracted counts (erass_APE_CTS_P3) are a background fluctuation (from eRASS1)
erass_DET_LIKE_P4 float32 None Detection likelihood in 2.0-5.0 keV band (from eRASS1)
erass_ML_CTS_P4 float32 count Source net counts in 2.0-5.0 keV band (from eRASS1)
erass_ML_CTS_ERR_P4 float32 count 1-sigma combined counts error in 2.0-5.0 keV band (from eRASS1)
erass_ML_CTS_LOWERR_P4 float32 count 1-sigma lower counts error in 2.0-5.0 keV band (from eRASS1)
erass_ML_CTS_UPERR_P4 float32 count 1-sigma upper counts error in 2.0-5.0 keV band (from eRASS1)
erass_ML_RATE_P4 float32 count s-1 Source count rate in 2.0-5.0 keV band (from eRASS1)
erass_ML_RATE_ERR_P4 float32 count s-1 1-sigma combined count rate error in 2.0-5.0 keV band (from eRASS1)
erass_ML_RATE_LOWERR_P4 float32 count s-1 1-sigma lower count rate error in 2.0-5.0 keV band (from eRASS1)
erass_ML_RATE_UPERR_P4 float32 count s-1 1-sigma upper count rate error in 2.0-5.0 keV band (from eRASS1)
erass_ML_FLUX_P4 float32 erg s-1 cm-2 Source flux in 2.0-5.0 keV band (from eRASS1)
erass_ML_FLUX_ERR_P4 float32 erg s-1 cm-2 1-sigma combined flux error in 2.0-5.0 keV band (from eRASS1)
erass_ML_FLUX_LOWERR_P4 float32 erg s-1 cm-2 1-sigma lower flux error in 2.0-5.0 keV band (from eRASS1)
erass_ML_FLUX_UPERR_P4 float32 erg s-1 cm-2 1-sigma upper flux error in 2.0-5.0 keV band (from eRASS1)
erass_ML_BKG_P4 float32 arcmin-2 Background at the source position in 2.0-5.0 keV band (from eRASS1)
erass_ML_EXP_P4 float32 s Vignetted exposure time at the source position in 2.0-5.0 keV band (from eRASS1)
erass_ML_EEF_P4 float32 None Enclosed energy fraction in 2.0-5.0 keV band (from eRASS1)
erass_APE_CTS_P4 int32 count Total counts extracted within the aperture in 2.0-5.0 keV band (from eRASS1)
erass_APE_BKG_P4 float32 count Background counts extracted within the aperture in 2.0-5.0 keV band, excluding nearby sources using the source map (from eRASS1)
erass_APE_EXP_P4 float32 s Exposure map value at the given position in the 2.0-5.0 keV band (from eRASS1)
erass_APE_RADIUS_P4 float32 pix Extraction radius in pixels (4'') in the 2.0-5.0 keV band (from eRASS1)
erass_APE_POIS_P4 float32 None Poisson probability that the extracted counts (erass_APE_CTS_P4) are a background fluctuation (from eRASS1)
erass_DET_LIKE_P5 float32 None Detection likelihood in 5.0-8.0 keV band (from eRASS1)
erass_ML_CTS_P5 float32 count Source net counts in 5.0-8.0 keV band (from eRASS1)
erass_ML_CTS_ERR_P5 float32 count 1-sigma combined counts error in 5.0-8.0 keV band (from eRASS1)
erass_ML_CTS_LOWERR_P5 float32 count 1-sigma lower counts error in 5.0-8.0 keV band (from eRASS1)
erass_ML_CTS_UPERR_P5 float32 count 1-sigma upper counts error in 5.0-8.0 keV band (from eRASS1)
erass_ML_RATE_P5 float32 count s-1 Source count rate in 5.0-8.0 keV band (from eRASS1)
erass_ML_RATE_ERR_P5 float32 count s-1 1-sigma combined count rate error in 5.0-8.0 keV band (from eRASS1)
erass_ML_RATE_LOWERR_P5 float32 count s-1 1-sigma lower count rate error in 5.0-8.0 keV band (from eRASS1)
erass_ML_RATE_UPERR_P5 float32 count s-1 1-sigma upper count rate error in 5.0-8.0 keV band (from eRASS1)
erass_ML_FLUX_P5 float32 erg s-1 cm-2 Source flux in 5.0-8.0 keV band (from eRASS1)
erass_ML_FLUX_ERR_P5 float32 erg s-1 cm-2 1-sigma combined flux error in 5.0-8.0 keV band (from eRASS1)
erass_ML_FLUX_LOWERR_P5 float32 erg s-1 cm-2 1-sigma lower flux error in 5.0-8.0 keV band (from eRASS1)
erass_ML_FLUX_UPERR_P5 float32 erg s-1 cm-2 1-sigma upper flux error in 5.0-8.0 keV band (from eRASS1)
erass_ML_BKG_P5 float32 arcmin-2 Background at the source position in 5.0-8.0 keV band (from eRASS1)
erass_ML_EXP_P5 float32 s Vignetted exposure time at the source position in 5.0-8.0 keV band (from eRASS1)
erass_ML_EEF_P5 float32 None Enclosed energy fraction in 5.0-8.0 keV band (from eRASS1)
erass_APE_CTS_P5 int32 count Total counts extracted within the aperture in 5.0-8.0 keV band (from eRASS1)
erass_APE_BKG_P5 float32 count Background counts extracted within the aperture in 5.0-8.0 keV band, excluding nearby sources using the source map (from eRASS1)
erass_APE_EXP_P5 float32 s Exposure map value at the given position in the 5.0-8.0 keV band (from eRASS1)
erass_APE_RADIUS_P5 float32 pix Extraction radius in pixels (4'') in the 5.0-8.0 keV band (from eRASS1)
erass_APE_POIS_P5 float32 None Poisson probability that the extracted counts (erass_APE_CTS_P5) are a background fluctuation (from eRASS1)
erass_DET_LIKE_P6 float32 None Detection likelihood in 4.0-10.0 keV band
erass_ML_CTS_P6 float32 count Source net counts in 4.0-10.0 keV band (from eRASS1)
erass_ML_CTS_ERR_P6 float32 count 1-sigma combined counts error in 4.0-10.0 keV band (from eRASS1)
erass_ML_CTS_LOWERR_P6 float32 count 1-sigma lower counts error in 4.0-10.0 keV band (from eRASS1)
erass_ML_CTS_UPERR_P6 float32 count 1-sigma upper counts error in 4.0-10.0 keV band (from eRASS1)
erass_ML_RATE_P6 float32 count s-1 Source count rate in 4.0-10.0 keV band (from eRASS1)
erass_ML_RATE_ERR_P6 float32 count s-1 1-sigma combined count rate error in 4.0-10.0 keV band (from eRASS1)
erass_ML_RATE_LOWERR_P6 float32 count s-1 1-sigma lower count rate error in 4.0-10.0 keV band (from eRASS1)
erass_ML_RATE_UPERR_P6 float32 count s-1 1-sigma upper count rate error in 4.0-10.0 keV band (from eRASS1)
erass_ML_FLUX_P6 float32 erg s-1 cm-2 Source flux in 4.0-10.0 keV band (from eRASS1)
erass_ML_FLUX_ERR_P6 float32 erg s-1 cm-2 1-sigma combined flux error in 4.0-10.0 keV band (from eRASS1)
erass_ML_FLUX_LOWERR_P6 float32 erg s-1 cm-2 1-sigma lower flux error in 4.0-10.0 keV band (from eRASS1)
erass_ML_FLUX_UPERR_P6 float32 erg s-1 cm-2 1-sigma upper flux error in 4.0-10.0 keV band (from eRASS1)
erass_ML_BKG_P6 float32 arcmin-2 Background at the source position in 4.0-10.0 keV band (from eRASS1)
erass_ML_EXP_P6 float32 s Vignetted exposure time at the source position in 4.0-10.0 keV band (from eRASS1)
erass_ML_EEF_P6 float32 None Enclosed energy fraction in 4.0-10.0 keV band (from eRASS1)
erass_APE_CTS_P6 int32 count Total counts extracted within the aperture in 4.0-10.0 keV band (from eRASS1)
erass_APE_BKG_P6 float32 count Background counts extracted within the aperture in 4.0-10.0 keV band, excluding nearby sources using the source map (from eRASS1)
erass_APE_EXP_P6 float32 s Exposure map value at the given position in the 4.0-10.0 keV band (from eRASS1)
erass_APE_RADIUS_P6 float32 pix Extraction radius in pixels (4'') in the 4.0-10.0 keV band (from eRASS1)
erass_APE_POIS_P6 float32 None Poisson probability that the extracted counts (erass_APE_CTS_P6) are a background fluctuation (from eRASS1)
erass_DET_LIKE_P7 float32 None Detection likelihood in 5.1-6.1 keV band (from eRASS1)
erass_ML_CTS_P7 float32 count Source net counts in 5.1-6.1 keV band (from eRASS1)
erass_ML_CTS_ERR_P7 float32 count 1-sigma combined counts error in 5.1-6.1 keV band (from eRASS1)
erass_ML_CTS_LOWERR_P7 float32 count 1-sigma lower counts error in 5.1-6.1 keV band (from eRASS1)
erass_ML_CTS_UPERR_P7 float32 count 1-sigma upper counts error in 5.1-6.1 keV band (from eRASS1)
erass_ML_RATE_P7 float32 count s-1 Source count rate in 5.1-6.1 keV band (from eRASS1)
erass_ML_RATE_ERR_P7 float32 count s-1 1-sigma combined count rate error in 5.1-6.1 keV band (from eRASS1)
erass_ML_RATE_LOWERR_P7 float32 count s-1 1-sigma lower count rate error in 5.1-6.1 keV band (from eRASS1)
erass_ML_RATE_UPERR_P7 float32 count s-1 1-sigma upper count rate error in 5.1-6.1 keV band (from eRASS1)
erass_ML_FLUX_P7 float32 erg s-1 cm-2 Source flux in 5.1-6.1 keV band (from eRASS1)
erass_ML_FLUX_ERR_P7 float32 erg s-1 cm-2 1-sigma combined flux error in 5.1-6.1 keV band (from eRASS1)
erass_ML_FLUX_LOWERR_P7 float32 erg s-1 cm-2 1-sigma lower flux error in 5.1-6.1 keV band (from eRASS1)
erass_ML_FLUX_UPERR_P7 float32 erg s-1 cm-2 1-sigma upper flux error in 5.1-6.1 keV band (from eRASS1)
erass_ML_BKG_P7 float32 arcmin-2 Background at the source position in 5.1-6.1 keV band (from eRASS1)
erass_ML_EXP_P7 float32 s Vignetted exposure time at the source position in 5.1-6.1 keV band (from eRASS1)
erass_ML_EEF_P7 float32 None Enclosed energy fraction in 5.1-6.1 keV band (from eRASS1)
erass_APE_CTS_P7 int32 count Total counts extracted within the aperture in 5.1-6.1 keV band (from eRASS1)
erass_APE_BKG_P7 float32 count Background counts extracted within the aperture in 5.1-6.1 keV band, excluding nearby sources using the source map (from eRASS1)
erass_APE_EXP_P7 float32 s Exposure map value at the given position in the 5.1-6.1 keV band (from eRASS1)
erass_APE_RADIUS_P7 float32 pix Extraction radius in pixels (4'') in the 5.1-6.1 keV band (from eRASS1)
erass_APE_POIS_P7 float32 None Poisson probability that the extracted counts (erass_APE_CTS_P7) are a background fluctuation (from eRASS1)
erass_DET_LIKE_P8 float32 None Detection likelihood in 6.2-7.1 keV band (from eRASS1)
erass_ML_CTS_P8 float32 count Source net counts in 6.2-7.1 keV band (from eRASS1)
erass_ML_CTS_ERR_P8 float32 count 1-sigma combined counts error in 6.2-7.1 keV band (from eRASS1)
erass_ML_CTS_LOWERR_P8 float32 count 1-sigma lower counts error in 6.2-7.1 keV band (from eRASS1)
erass_ML_CTS_UPERR_P8 float32 count 1-sigma upper counts error in 6.2-7.1 keV band (from eRASS1)
erass_ML_RATE_P8 float32 count s-1 Source count rate in 6.2-7.1 keV band (from eRASS1)
erass_ML_RATE_ERR_P8 float32 count s-1 1-sigma combined count rate error in 6.2-7.1 keV band (from eRASS1)
erass_ML_RATE_LOWERR_P8 float32 count s-1 1-sigma lower count rate error in 6.2-7.1 keV band (from eRASS1)
erass_ML_RATE_UPERR_P8 float32 count s-1 1-sigma upper count rate error in 6.2-7.1 keV band (from eRASS1)
erass_ML_FLUX_P8 float32 erg s-1 cm-2 Source flux in 6.2-7.1 keV band (from eRASS1)
erass_ML_FLUX_ERR_P8 float32 erg s-1 cm-2 1-sigma combined flux error in 6.2-7.1 keV band (from eRASS1)
erass_ML_FLUX_LOWERR_P8 float32 erg s-1 cm-2 1-sigma lower flux error in 6.2-7.1 keV band (from eRASS1)
erass_ML_FLUX_UPERR_P8 float32 erg s-1 cm-2 1-sigma upper flux error in 6.2-7.1 keV band (from eRASS1)
erass_ML_BKG_P8 float32 arcmin-2 Background at the source position in 6.2-7.1 keV band (from eRASS1)
erass_ML_EXP_P8 float32 s Vignetted exposure time at the source position in 6.2-7.1 keV band (from eRASS1)
erass_ML_EEF_P8 float32 None Enclosed energy fraction in 6.2-7.1 keV band (from eRASS1)
erass_APE_CTS_P8 int32 count Total counts extracted within the aperture in 6.2-7.1 keV band (from eRASS1)
erass_APE_BKG_P8 float32 count Background counts extracted within the aperture in 6.2-7.1 keV band, excluding nearby sources using the source map (from eRASS1)
erass_APE_EXP_P8 float32 s Exposure map value at the given position in the 6.2-7.1 keV band (from eRASS1)
erass_APE_RADIUS_P8 float32 pix Extraction radius in pixels (4'') in the 6.2-7.1 keV band (from eRASS1)
erass_APE_POIS_P8 float32 None Poisson probability that the extracted counts (erass_APE_CTS_P8) are a background fluctuation (from eRASS1)
erass_DET_LIKE_P9 float32 None Detection likelihood in 7.2-8.2 keV band (from eRASS1)
erass_ML_CTS_P9 float32 count Source net counts in 7.2-8.2 keV band (from eRASS1)
erass_ML_CTS_ERR_P9 float32 count 1-sigma combined counts error in 7.2-8.2 keV band (from eRASS1)
erass_ML_CTS_LOWERR_P9 float32 count 1-sigma lower counts error in 7.2-8.2 keV band (from eRASS1)
erass_ML_CTS_UPERR_P9 float32 count 1-sigma upper counts error in 7.2-8.2 keV band (from eRASS1)
erass_ML_RATE_P9 float32 count Source count rate in 7.2-8.2 keV band (from eRASS1)
erass_ML_RATE_ERR_P9 float32 count 1-sigma combined count rate error in 7.2-8.2 keV band (from eRASS1)
erass_ML_RATE_LOWERR_P9 float32 count 1-sigma lower count rate error in 7.2-8.2 keV band (from eRASS1)
erass_ML_RATE_UPERR_P9 float32 count 1-sigma upper count rate error in 7.2-8.2 keV band (from eRASS1)
erass_ML_FLUX_P9 float32 erg s-1 cm-2 Source flux in 7.2-8.2 keV band (from eRASS1)
erass_ML_FLUX_ERR_P9 float32 erg s-1 cm-2 1-sigma combined flux error in 7.2-8.2 keV band (from eRASS1)
erass_ML_FLUX_LOWERR_P9 float32 erg s-1 cm-2 1-sigma lower flux error in 7.2-8.2 keV band (from eRASS1)
erass_ML_FLUX_UPERR_P9 float32 erg s-1 cm-2 1-sigma upper flux error in 7.2-8.2 keV band (from eRASS1)
erass_ML_BKG_P9 float32 arcmin-2 Background at the source position in 7.2-8.2 keV band (from eRASS1)
erass_ML_EXP_P9 float32 s Vignetted exposure time at the source position in 7.2-8.2 keV band (from eRASS1)
erass_ML_EEF_P9 float32 None Enclosed energy fraction in 7.2-8.2 keV band (from eRASS1)
erass_APE_CTS_P9 int32 None Total counts extracted within the aperture in 7.2-8.2 keV band (from eRASS1)
erass_APE_BKG_P9 float32 count Background counts extracted within the aperture in 7.2-8.2 keV band, excluding nearby sources using the source map (from eRASS1)
erass_APE_EXP_P9 float32 s Exposure map value at the given position in the 7.2-8.2 keV band (from eRASS1)
erass_APE_RADIUS_P9 float32 pix Extraction radius in pixels (4'') in the 7.2-8.2 keV band (from eRASS1)
erass_APE_POIS_P9 float32 None Poisson probability that the extracted counts (erass_APE_CTS_P9) are a background fluctuation (from eRASS1)
erass_APE_CTS_S int32 count Total counts extracted within the aperture in 0.5-2.0 keV band (from eRASS1)
erass_APE_BKG_S float32 count Background counts extracted within the aperture in 0.5-2.0 keV band, excluding nearby sources using the source map (from eRASS1)
erass_APE_EXP_S float32 s Exposure map value at the given position in the 0.5-2.0 keV band (from eRASS1)
erass_APE_POIS_S float64 None Poisson probability that the extracted counts (erass_APE_CTS_S) are a background fluctuation (from eRASS1)
erass_FLAG_SP_SNR int16 None Source may lie within an overdense region near a supernova remnant (from eRASS1)
erass_FLAG_SP_BPS int16 None Source may lie within an overdense region near a bright point source (from eRASS1)
erass_FLAG_SP_SCL int16 None Source may lie within an overdense region near a stellar cluster (from eRASS1)
erass_FLAG_SP_LGA int16 None Source may lie within an overdense region near a local large galaxy (from eRASS1)
erass_FLAG_SP_GC_CONS int16 None Source may lie within an overdense region near a galaxy cluster (from eRASS1)
erass_FLAG_NO_RADEC_ERR int16 None Source contained no RADEC_ERR in the pre-processed version of the catalogue (from eRASS1)
erass_FLAG_NO_EXT_ERR int16 None Source contained no EXT_ERR in the pre-processed version of the catalogue (from eRASS1)
erass_FLAG_NO_CTS_ERR int16 None Source contained no CTS_ERR in the pre-processed version of the catalogue (from eRASS1)
erass_FLAG_OPT int16 None Source matched within 15'' with a bright optical star, likely contaminated by optical loading
hecate_d float64 Mpc Hosting galaxy distance
hecate_e_d float32 Mpc Uncertainty of the hosting galaxy distance
hecate_ra float64 deg Right ascension of the hosting galaxy
hecate_dec float64 deg Declination of the hosting galaxy
hecate_logm_star float64 solMass Base-10 logarithm of the stellar mass of the hosting galaxy
hecate_m_star_method char[22] None Method used to determine the stellar mass of the hosting galaxy
hecate_logsfr float64 solMass yr-1 Base-10 logarithm of the star formation rate of the hosting galaxy
hecate_sfr_method char[6] None Method used to determine the star formation rate of the hosting galaxy
hecate_objname char[22] None Common name of the hosting galaxy
hecate_r1 float32 arcmin Semi-major axis of the hosting galaxy
hecate_r2 float32 arcmin Semi-minor axis of the hosting galaxy
hecate_pa float32 deg Position angle of the D25 region of the hosting galaxy
hecate_pgc int32 None PGC number of the hosting galaxy
hecate_t float32 None Morphological type of the hosting galaxy
hecate_e_t float32 None Uncertainty of the morphological type of the hosting galaxy
f_manual int32 None Source manually flagged as contaminant
f_sn int32 None Flag indicating a match with a known supernova in the OSNE or an object of type supernova in the NED
sn_ids char[24] None List of potential supernova counterparts as prefname (NED) and name (OSNE)
f_veron int32 None Flag indicating a match in the catalog by Veron Cetty and Veron
veron_ids char[17] None List of potential counterparts in the catalog by Veron-Cetty and Veron
f_gaia int32 None Flag indicating a match with a finite parallax larger than 0 in the Gaia DR3 catalog
gaia_ids char[1] None List of potential Gaia DR3 counterparts
f_tycho int32 None Flag indicating a match in the Tycho-2 catalog
tycho_ids char[4] None List of potential counterparts in the Tycho-2 catalog
f_yale int32 None Flag indicating a match in the Yale Catalogue of Bright Stars
yale_ids char[1] None List of potential counterparts in the Yale Catalogue of Bright Stars

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Acknowledgement

We acknowledge funding from Deutsches Zentrum für Luft- und Raumfahrt (DLR) grants 50 OR 2309, 50 QR 2103, and 50 QR 2503, and from Deutsche Forschungsge- meinschaft grant 414059771. S.H. was partly supported by the German Sci- ence Foundation (DFG grant numbers WI 1860/14-1 and 434448349). LD ac- knowledges funding from German Research Foundation (DFG), Projektnummer 549824807. TPR acknowledges support from the Science and Tech- nology Fa- cilities Council (STFC) as part of the consolidated grant award ST/X001075/1. This work is based on data from eROSITA, the soft X-ray instrument aboard SRG, a joint Russian-German science mission supported by the Russian Space Agency (Roskosmos), in the interests of the Russian Academy of Sciences rep- resented by its Space Research Institute (IKI), and the Deutsches Zentrum für Luft- und Raumfahrt (DLR). The SRG spacecraft was built by Lavochkin Asso- ciation (NPOL) and its subcontractors, and is operated by NPOL with support from the Max Planck Institute for Extraterrestrial Physics (MPE). The devel- opment and construction of the eROSITA X-ray instrument was led by MPE, with contributions from the Dr. Karl Remeis Observatory Bamberg & ECAP (FAU Erlangen-Nürnberg), the University of Hamburg Observatory, the Leib- niz Institute for Astrophysics Potsdam (AIP), and the Institute for Astronomy and Astrophysics of the University of Tübingen, with the support of DLR and the Max Planck Society. The Argelander Institute for Astronomy of the Uni- versity of Bonn and the Ludwig-Maximilians-Universität Munich also partici- pated in the science preparation for eROSITA. The eROSITA data shown here were processed using the eSASS software system developed by the German eROSITA consortium. This research has made use of ISIS functions (ISISscripts) provided by ECAP/Remeis observatory and MIT (http://www.sternwarte.uni- erlangen.de/isis/). This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), pro- cessed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions partic- ipating in the Gaia Multilateral Agreement. This research has made use of the SIMBAD database, operated at CDS, Strasbourg, France, and of the VizieR cat- alogue access tool, CDS, Strasbourg, France (DOI: 10.26093/cds/vizier). The original description of the VizieR service was published in 2000, A&AS 143, 23.