Open Access

Table A.4.

Data model for the eFEDS Main X-ray counterpart catalogue combined with the spectroscopic compilation.

Column name Datatype Description Units
ero_name string From Brunner et al. (2022), eROSITA official source Name
ero_id_src int From Brunner et al. (2022), ID of eROSITA source in the Main Sample
ero_ra_corr float From Brunner et al. (2022), J2000 Right Ascension of eROSITA source (corrected) deg
ero_dec_corr float From Brunner et al. (2022), J2000 Declination of eROSITA source (corrected) deg
ero_radec_err_corr float From Brunner et al. (2022), eROSITA positional uncertainty (corrected) arcsec
ero_ml_flux float From Brunner et al. (2022), 0.2-2.3 keV source flux erg cm−2 s−1
ero_ml_flux_err float From Brunner et al. (2022), 0.2-2.3 keV source flux error (1 sigma) erg cm−2 s−1
ero_det_like float From Brunner et al. (2022), 0.2-2.3 keV detection likelihood via PSF-fitting
ctp_ls8_unique_objid string From Salvato et al. (2022), unique id for Legacy Survey DR8 counterpart to the eROSITA source
ctp_ls8_ra float From Salvato et al. (2022), Right Ascension of the Legacy Survey DR8 counterpart deg
ctp_ls8_dec float From Salvato et al. (2022), Declination of the best Legacy Survey DR8 counterpart deg
dist_ctp_ls8_ero float From Salvato et al. (2022), Separation between counterpart and eROSITA position arcsec
ctp_quality smallint From Salvato et al. (2022), counterpart quality: 4=best, 3=good, 2=secondary, 1 or 0=unreliable
ls_id long Unique ID of Legacy Survey DR9 photometric object associated with the spec-z. Computed from Legacy Survey DR9 catalogue as ls_id = objid + (brickid < < 16) + (release < < 40)
ls_ra float Coordinate from Legacy Survey DR9 at epoch ls_epoch deg
ls_dec float Coordinate from Legacy Survey DR9 at epoch ls_epoch deg
ls_pmra float Proper motion from Legacy Survey DR9 mas yr−1
ls_pmdec float Proper motion from Legacy Survey DR9 mas yr−1
ls_epoch float Coordinate epoch from Legacy Survey DR9 year
ls_mag_g float DECam g-band model magnitude derived from Legacy Survey DR9, AB mag
ls_mag_r float DECam r-band model magnitude derived from Legacy Survey DR9, AB mag
ls_mag_z float DECam z-band model magnitude derived from Legacy Survey DR9, AB mag
specz_n int Total number of spec-z associated with this Legacy Survey DR9 object
specz_raj2000 float Coordinate of spec-z, propagated if necessary to epoch J2000 deg
specz_dej2000 float Coordinate of spec-z, propagated if necessary to epoch J2000 deg
specz_nsel int Number of spec-z selected to inform result for this object
specz_redshift float Final redshift determined for this object
specz_normq int Final normalised redshift quality (NORMQ) associated with this object (see section 3)
specz_normc string Final normalised classification determined for this object
specz_hasvi Boolean True if best spec-z for this object has a visual inspection
specz_catcode string Catalogue code of best spec-z for this object (see table 1)
specz_bitmask long Bitmask encoding catalogues containing spec-z for this object. Bit encoding: 0=sdssv_vi; 1=boss_vi; 2=sdss_vi; 3=efeds_vi; 4=gama; 5=wigglez; 6=2slaq; 7=6dfgs; 8=2mrs; 9=boss_novi; 10=sdss_novi; 11=hectospec; 12=fast; 13=gaia_rvs; 14=lamost; 15=simbad; 16=ned
specz_sel_bitmask long Bitmask encoding catalogues containing informative spec-z for an object. Bit encoding is the same as specz_bitmask
specz_flags int Bitmask encoding quality flags for this object. Bit encoding: 0=No Legacy Survey DR9 counterpart within matching radius; 1=Significant scatter (stddev(zi) > 0.01) in the redshifts available for this object; 2=unused; 3=Blazar candidate; 4=Disagreement between the normalised classifications available for this object
specz_sel_normq_max int Highest NORMQ of informative spec-z for this object
specz_sel_normq_mean float Mean NORMQ of informative spec-z for this object
specz_sel_z_mean float Mean redshift of informative spec-z for this object
specz_sel_z_median float Median redshift of informative spec-z for this object
specz_sel_z_stddev float Standard deviation of redshifts for informative spec-z for object
specz_orig_ra float Coordinate associated with individual spec-z measurement deg
specz_orig_dec float Coordinate associated with individual spec-z measurement deg
specz_orig_pos_epoch float Coordinate epoch associated with individual spec-z measurement
specz_orig_ls_sep float Distance from spec-z to Legacy Survey DR9 photometric counterpart (corrected for proper motion) arcsec
specz_orig_ls_gt1ctp Boolean Can spec-z be associated with > 1 possible Legacy Survey DR9 counterpart?
specz_orig_ls_ctp_rank int Rank of counterpart out of all possibilities for this spec-z (1=closest)
specz_orig_id string Orig. value of ID of individual spec-z measurement (as a string)
specz_orig_redshift float Orig. redshift value of individual spec-z measurement
specz_orig_qual string Orig. redshift quality value of individual spec-z measurement
specz_orig_normq int Normalised redshift quality of individual spec-z measurement
specz_orig_class string Orig. classification label of individual spec-z measurement
specz_orig_hasvi Boolean True if individual spec-z has a visual inspection from our team
specz_orig_normc string Normalised classification code of individual spec-z measurement
specz_ra_used float Adopted coordinate of specz when matching to Salvato et al. (2022) counterpart deg
specz_dec_used float Adopted coordinate of specz when matching to Salvato et al. (2022) counterpart deg
separation_specz_ctp float Distance from LS_RA,LS_DEC to SPECZ_RA_USED,SPECZ_DEC_USED arcsec
has_specz Boolean Does this Salvato et al. (2022) counterpart have a spec-z?
has_informative_specz Boolean Does this Salvato et al. (2022) counterpart have an informative spec-z?

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