Data Model: eFEDS_C001_Main_PointSource_CTP2_redshift_V2

General Description
Multiwavelength properties of the secondary counterpart for 2514 eFEDS sources in the Main X-ray catalog (number one of this table) for which an alternative or additional counterpart can't be excluded. For each counterparts the classification, photometry and redshift is provided.
Naming Convention
Explain the file naming convention here. Filename:
eFEDS_C001_Main_PointSource_CTP2_redshift_V1\.fits
Approximate Size
2 MB
File Type
FITS
Generated by Product
eSASS (software used to generate the date product, add links)

Sections

Content of the page.

HDU0: PRIMARY

[Write text to summarize contents of this HDU]

HDU Type
IMAGE
HDU Size
18 KB
Header Table Caption for HDU0
KeyValueTypeComment

HDU1: Joined

[Write text to summarize contents of this HDU]

HDU Type
BINARY TABLE
HDU Size
2 MB
Header Table Caption for HDU1
KeyValueTypeComment
Binary Table Caption for HDU1
NameTypeUnitDescription
ERO_Name char[22] None eROSITA official source Name (see Brunner et al.,)
ERO_ID_SRC int16 None ID of eROSITA source in the Main Sample (from Brunner et al.)
ERO_RA_CORR float64 None J2000 Right Ascension of the eROSITA source (the astrometry correction is now done before the source detection)
ERO_DEC_CORR float64 None J2000 Declination of the eROSITA source (corrected) from Brunner et al.,
ERO_RADEC_ERR_CORR float64 None eROSITA positional uncertainty (corrected) from Brunner et al.,
ERO_ML_FLUX float32 erg /cm**2 /s 0.2-2.3 keV source flux converted from count rate assuming ECF=1.074e+12 (Gamma=2.0)
ERO_ML_FLUX_ERR float32 erg /cm**2 /s 0.2-2.3 keV source flux error (1 sigma)
ERO_DET_LIKE float32 None 0.2-2.3 keV detection likelihood measured by PSF-fitting
ERO_inArea90 bool None True if in the 0.2-2.3keV exp>500s region, which comprises 90%
CTP2_LS8_UNIQUE_ID char[11] None LS8 unique identifier for the second counterpart to the eROSITA source (Expression: toString(LS8_BRICKID)+"_"+toString(LS8_OBJID))
CTP2_LS8_RA float64 degrees J2000 Right Ascension of the LS8 second countepart
CTP2_LS8_Dec float64 degrees J2000 Declination of the best LS8 countepart
Dist_CTP2_LS8_ERO float64 arcsec Separation between second counterpart and eROSITA (corrected) position in arcsec
GaiaEDR3_ID int64 None ID in Gaia EDR3 source catalog
GaiaEDR3_parallax float64 mas Parallax from Gaia EDR3
GaiaEDR3_parallax_error float64 mas Parallax error from Gaia EDR3
GaiaEDR3_parallax_over_error float64 None Parallax/Parallax error. ratio >5 SECURE GALACTIC
GaiaEDR3_pmra float64 mas/yr Proper motion in RA from Gaia ERD3
GaiaEDR3_pmra_error float64 mas/yr Error on Proper motion in RA from Gaia ERD3
GaiaEDR3_pmdec float64 mas/yr Proper motion in Dec from Gaia ERD3
GaiaEDR3_pmdec_error float64 mas/yr Error on Proper motion in Dec from Gaia ERD3
GaiaEDR3_phot_g_mean_mag float64 mag g band magnitude (VEGA) from Gaia EDR3
GaiaEDR3_phot_g_mean_mag_error float64 mag Error g band magnitude (VEGA) from Gaia EDR3
GaiaEDR3_phot_bp_mean_mag float64 mag bp band magnitude (VEGA) from Gaia EDR3
GaiaEDR3_phot_bp_mean_mag_error float64 mag Error bp band magnitude (VEGA) from Gaia EDR3
GaiaEDR3_phot_rp_mean_mag float64 mag rp band magnitude (VEGA) from Gaia EDR3
GaiaEDR3_phot_rp_mean_mag_error float64 mag Error rp band magnitude (VEGA) from Gaia EDR3
FUV float64 mag Galex Far UV magnitude (AB)
FUV_ERR float64 mag Galex Far UV magnitude error
NUV float64 mag Galex Near UV magnitude (AB)
NUV_ERR float64 mag Galex Near UV magnitude error
KiDS_u float64 mag KiDS u-band magnitude (AB)
KiDS_u_ERR float64 mag KiDS u-band magnitude error
KiDS_g float64 mag KiDS g-band magnitude (AB)
KiDS_g_ERR float64 mag KiDS g-band magnitude error
KiDS_r float64 mag KiDS r-band magnitude (AB)
KiDS_r_ERR float64 mag KiDS r-band magnitude error
KiDS_i float64 mag KiDS i-band magnitude (AB)
KiDS_i_ERR float64 mag KiDS i-band magnitude error
Omegac_z int16 mag OmegaCAM z-band magnitude (AB)
Omegac_z_ERR float32 mag OmegaCAM z-band magnitude error
HSC_g float64 mag HSC g-band magnitude (AB)
HSC_g_ERR float64 mag HSC g-band magnitude error
HSC_r float64 mag HSC r-band magnitude (AB) when images are mostly from r-filter (see text)
HSC_r_ERR float64 mag HSC r-band magnitude error
HSC_r2 float64 mag HSC r2-band magnitude (AB) when images are mostly from r2-filter (see text)
HSC_r2_ERR float64 mag HSC r2-band magnitude error
HSC_i float64 mag HSC i-band magnitude (AB) when images are mostly from i-filter (see text)
HSC_i_ERR float64 mag HSC i-band magnitude error
HSC_i2 float64 mag HSC i2-band magnitude (AB) when images are mostly from i2-filter (see text)
HSC_i2_ERR float64 mag HSC i2-band magnitude error
HSC_z float64 mag HSC z-band magnitude (AB)
HSC_z_ERR float64 mag HSC z-band magnitude error
HSC_Y float64 mag HSC Y-band magnitude (AB)
HSC_Y_ERR float64 mag HSC Y-band magnitude error
VISTA_z float64 mag VISTA/VIKING z-band magnitude (AB)
VISTA_z_ERR float64 mag Vista z-band magnitude error
VISTA_Y float64 mag VISTA/VIKING Y-band magnitude (AB)
VISTA_Y_ERR float64 mag Vista Y-band magnitude error
VISTA_J float64 mag VISTA/VIKING J-band magnitude (AB)
VISTA_J_ERR float64 mag Vista J-band magnitude error
VISTA_H float64 mag VISTA/VIKING H-band magnitude (AB)
VISTA_H_ERR float64 mag Vista H-band magnitude error
VISTA_Ks float64 mag VISTA/VIKING Ks-band magnitude (AB
VISTA_Ks_ERR float64 mag Vista Ks-band magnitude error
W1 float64 mag LS8/Wise W1 magnitude (AB)
W1_ERR float64 mag Wise W1 magnitude error
W2 float64 mag LS8/Wise W2 magnitude (AB)
W2_ERR float64 mag Wise W2 magnitude error
W3 float64 mag LS8/Wise W3 magnitude (AB)
W3_ERR float64 mag Wise W3 magnitude error
W4 float64 mag LS8/Wise W4 magnitude (AB)
W4_ERR float64 mag Wise W4 magnitude error
LS8_g float64 mag LS8 g-band magnitude (AB)
LS8_g_ERR float64 mag LS8 g-band magnitude error
LS8_r float64 mag LS8 r-band magnitude (AB)
LS8_r_ERR float64 mag LS8 r-band magnitude error
LS8_z float64 mag LS8 z-band magnitude (AB)
LS8_z_ERR float64 mag LS8 z-band magnitude error
VHS_Y float32 mag VISTA/VHS Y-band magnitude (AB)
VHS_Y_ERR float32 mag VHS Y-band magnitude error
VHS_H float32 mag VISTA/VHS H-band magnitude (AB)
VHS_H_ERR float32 mag VHS H-band magnitude error
VHS_Ks float64 mag VISTA/VHS Ks-band magnitude (AB)
VHS_Ks_ERR float32 mag VHS Ks-band magnitude error
HSC_g_diff float64 mag Difference between psf and Kron magnitude in HSC g-band (AB)
HSC_r_diff float64 mag Difference between psf and Kron magnitude in HSC r-band (AB)
HSC_i_diff float64 mag Difference between psf and Kron magnitude in HSC i-band (AB)
HSC_z_diff float64 mag Difference between psf and Kron magnitude in HSC z-band (AB)
HSC_opt_extended int32 None Extension in HSC griz bands. 1=extended; -99=data missing 0=other from Aihara et al 2018
CTP2_LS8_photLS8 bool None Flag for LS8 photometry: true when the source has simultaneously g,r,z,w1 photometry in LS8
CTP2_LS8_TYPE char[4] None Morphological model from LS8
CTP2_in_KiDS int16 None Flag for KiDS coverage: 1: Source is in KiDS area; 0: otherwise
CTP2_in_HSC int16 None Flag for HSC coverage: 1: Source is in HSC area as from Aihara et al 2018; 0: otherwise
SPECZ_RA float64 degrees J2000 Right Ascension of of the spectroscopic redshift entry in the original catalogue from which it was taken
SPECZ_Dec float64 degrees J2000 Declination of the spectroscopic redshift entry in the original catalogue from which it was taken
SPECZ_REDSHIFT float64 None Spectroscopic redshift from original catalog
SPECZ_NORMQ_spec int16 None Normalised quality of spectroscopic redshift: 3=secure, 2=not secure, 1=unreliable, -1= Blazar candidate
SPECZ_ORIGIN_spec char[9] None Catalogue which provided this spectroscopic redshift
SPECZ_ORIGINAL_ID char[24] None Identifier of this entry in the original catalogue from which it was taken
SPECZ_galaxy_flag bool None True when the CTP has a reliable redshift above 0.002
SPECZ_star_flag bool None True when the CTP has a reliable redshift below 0.002
CTP2_classification char[20] None SECURE/LIKELY GALACTIC/EXTRAGALACTIC, as from flowchart (see paper)
PHZ_LePHARE_zphot float32 None Photoz from Le PHARE, but set to 0 for GALACTIC sources
PHZ_LePHARE_zl68 float32 None Le PHARE zphot min at 1 sigma
PHZ_LePHARE_zu68 float32 None Le PHARE zphot max at 1 sigma
PHZ_LePHARE_zl90 float32 None Le PHARE zphot min at 2 sigma
PHZ_LePHARE_zu90 float32 None Le PHARE zphot max at 2 sigma
PHZ_LePHARE_zl99 float32 None Le PHARE zphot min at 3 sigma
PHZ_LePHARE_zu99 float32 None Le PHARE zphot max at 3 sigma
PHZ_LePHARE_chi float64 None Le PHARE chi2 value for best fitting galaxy/AGN template
PHZ_LePHARE_modelAGN int16 None Le PHARE model number for best template fitting the data (for PLIKE 1000+model number)
PHZ_LePHARE_extlaw int16 None Le PHARE Extinction Law applied to the template: Prevot (1) or none (0)
PHZ_LePHARE_ebv float32 None Le PHARE E(B-V) applied to the template
PHZ_LePHARE_pdz float32 None Le PHARE probability distribution. Photoz more reliable when value is high
PHZ_LePHARE_nband int16 None Le PHARE number of bands used for the computation of photozfor the computation of photoz
PHZ_LePHARE_zphot_2 float32 None Le PHARE second best photoz from LePhare, if existing
PHZ_LePHARE_chi2_2 float64 None Le PHARE chi2 value for second best fitting template, if existing
PHZ_LePHARE_modelAGN_2 int16 None Le Phare second best template fitting the data, if existing
PHZ_LePHARE_pdz_2 float32 None Le Phare probability distribution for secondary solution, if existing
CTP2_REDSHIFT_BEST float64 None Final redshift: zspec when available, else photo-z from Le PHARE; 0 for GALACTIC sources
CTP2_REDSHIFT_GRADE int16 integer In a range from 5 (spectroscopy) to 0 (unreliable photo-z). See paper for details

References

This section is the place to put references of interest.

Predehl et al. 2020. The eROSITA X-ray telescope on SRG

Acknowledgement

The eROSITA data model structure for catalogues was branched from the SDSS data model for value added catalogues.