Open Access
Table E.1
Column names, data types, and descriptions of the eRASS1 identified cluster catalog.
| Column Name | Type | Description |
|---|---|---|
| NAME | 32A | Cluster name |
| DETUID | 32A | Unique eSASS detection ID |
| RA | E4 | Right Ascension J2000 of X-ray prior |
| DEC | E5 | Declination J2000 of X-ray prior |
| RADEC_ERR | E2 | Uncertainty of RA, DEC (arcsec) |
| RA_OPT | E4 | Right Ascension J2000 of optical center |
| DEC_OPT | E5 | Declination J2000 of optical center |
| RA_BCG | E4 | Right Ascension J2000 of the brightest member |
| DEC_BCG | E5 | Declination J2000 of the brightest member |
| REFMAG_BCG | E3 | Galactic extinction-corrected z-band AB magnitude of the brightest member |
| BEST_Z | E5 | Best available cluster redshift |
| BEST_Z_ERR | E5 | Error on best available cluster redshift |
| BEST_Z_TYPE | 16A | Type of best available cluster redshift |
| Z_LAMBDA | E5 | Uncorrected cluster photometric redshift |
| Z_LAMBDA_ERR | E5 | Uncorrected cluster photometric redshift uncertainty |
| Z_LAMBDA_CORR | E5 | Bias-corrected cluster photometric redshift |
| Z_LAMBDA_CORR_UERR | E5 | Bias-corrected cluster photometric redshift upper error |
| Z_LAMBDA_CORR_LERR | E5 | Bias-corrected cluster photometric redshift lower error |
| Z_LAMBDA_SECOND | E5 | Uncorrected foreground/background cluster photometric redshift |
| Z_LAMBDA_SECOND_ERR | E5 | Uncorrected foreground/background cluster photometric redshift uncertainty |
| LIT_Z | E5 | Literature cluster redshift |
| LIT_Z_ERR | E5 | Literature cluster redshift error |
| LIT_Z_SRC | 32A | Reference for LIT_Z |
| SPEC_Z_BOOT | E5 | Bootstrap estimate of biweight spectroscopic redshift |
| SPEC_Z_BOOT_ERR | E5 | Bootstrap error on biweight spectroscopic redshift |
| N_MEMBERS | J | Number of members used in biweight redshift and velocity dispersion estimate |
| CG_SPEC_Z | E5 | Spectroscopic redshift of the central galaxy |
| CG_SPEC_Z_ERR | E5 | Error on spectroscopic redshift of the central galaxy |
| BCG_SPEC_Z | E5 | Spectroscopic redshift of the brightest member |
| VDISP_BOOT | E2 | Bootstrap estimate of velocity dispersion (km s−1) |
| VDISP_BOOT_ERR | E2 | Error on bootstrap estimate of velocity dispersion (km s−1) |
| VDISP_FLAG_BOOT | E4 | Mean vdisp_flag for bootstrap estimate |
| VDISP_TYPE | 8A | Estimate used to determine vdisp. Gapper or Biweight depending on number of members |
| LAMBDA_NORM | E2 | Richness normalized to the definition of the grz run |
| LAMBDA_NORM_ERR | E2 | Richness error normalized to the definition of the grz run |
| LAMBDA_OPT_NORM | E2 | Richness (optical center) normalized to the definition of the grz run |
| LAMBDA_OPT_NORM_ERR | E2 | Richness (optical center) error normalized to the definition of the grz run |
| SCALEVAL | E5 | Richness scale factor Eq. 2 of Rykoff et al. (2016) |
| MASKFRAC | E3 | Fraction of cluster area which is masked |
| RUN | 128A | RedMaPPer calibration: survey_bands_refband_iteration |
| LMAX | E4 | Optical maximum likelihood |
| NHI | E5 | HI Column Desnsity (1021 cm−2) from HI4PI. Nside=1024 |
| EXT_LIKE | E5 | Extent likelihood of the X-ray source |
| CR500X_NH0 | D12 | X-ray count rate |
| PCONT | E4 | Probability that the cluster is a contaminant |
| SHARED_MEMBERS | L | There is another cluster with ≥ 70% of the same members and higher LMAX |
| IN_FOOTPRINT | L | Cluster is within the optical survey footprint |
| LIMMAG_G | E2 | Limiting g galaxy magnitude from Rykoff et al. (2015) depth (map) model |
| LIMMAG_R | E2 | Limiting r galaxy magnitude from Rykoff et al. (2015) depth (map) model |
| LIMMAG_I | E2 | Limiting i galaxy magnitude from Rykoff et al. (2015) depth (map) model |
| LIMMAG_Z | E2 | Limiting z galaxy magnitude from Rykoff et al. (2015) depth (map) model |
| LIMMAG_W1 | E2 | Limiting w1 galaxy magnitude from Rykoff et al. (2015) depth (map) model |
| IN_ZVLIM | L | Photometric redshift is smaller than the limiting optical survey redshift ZVLIM_02 or ZVLIM_04 |
| ZVLIM_02 | E3 | Maximum observable galaxy redshift at 0.2L* volume limit |
| ZVLIM_04 | E3 | Maximum observable galaxy redshift at 0.4L* volume limit |
| GAIA_10MAG_30_ARCSEC | L | A star in the Gaia eDR3 catalog brighter than 10 G mag is closer than 30 arcsec to the X-ray source |
| NGC_30_ARCSEC | L | A galaxy in the NGC catalog is closer than 30 arcsec to the X-ray source |
| HECATE_30_ARCSEC | L | A galaxy in the HECATE survey (Kovlakas et al. 2021) is closer than 30 arcsec to the X-ray source |
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