Data Model: Salvato_et_al_2025_AppendixA_training_sample_4XMM

Data Model: Salvato_et_al_2025_AppendixA_training_sample_4xmm_CatWISE2020

General description

Catalog of CatWISE2020 counterparts to the 4XMM used for training the identification of counterparts

Naming convention

Salvato_et_al_2025_AppendixA_training_sample_4xmm_CatWISE2020

Filename:

Salvato_et_al_2025_AppendixA_training_sample_4xmm_CatWISE2020\.fits

Approximate size

141 MB

File type

FITS

Generated by product

eSASS (software used to generate the date product, add links)

Sections

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

Write text to summarize contents of this HDU

Header Table Caption for HDU1
Key	Value	Type	Comment

Binary Table Caption for HDU1
Name	Type	Unit	Description
XMM_SRCID	int32	None	X-ray source identifier
XMM_RA	float64	deg	X-ray source coordinate
XMM_DEC	float64	deg	X-ray source coordinate
XMM_POSERR	float32	arcsec	Uncertainty on X-ray source coordinate, including systematic error
XMM_epoch	float64	None
XMM_fx	float32	10**-15 mW m-2	X-ray source flux estimate, 0.5-2keV band
XMM_efx	float32	10**-15 mW m-2	Uncertainty on X-ray source flux estimate, 0.5-2keV band
CW20_source_id	char[26]	None	CatWISE2020 source identifier
CW20_ra_orig	float64	deg	Original optical/IR source coordinate
CW20_dec_orig	float64	deg	Original optical/IR source coordinate
CW20_ra_prop	float64	deg	Optical/IR coordinate propagated to epoch of X-ray detection
CW20_dec_prop	float64	deg	Optical/IR coordinate propagated to epoch of X-ray detection
Separation_X_OIR	float32	arcsec	Separation between X-ray and optical/IR coordinates
p_any	float32	None	NWAY p_any parameter for X-ray->OIR association
p_i	float32	None	NWAY p_i parameter for X-ray->OIR association
SUBSAMPLE_FLAG	int16	None	0=Field source, 1=Ok association, 2=Good association