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Table 4.

Source category classification.

Category Description Number of sources
Compact binaries Cataclysmic variables, X-ray binaries, ULXs, novae. 153
Stars Stars, pulsars 515
Stellar binaries Binary stellar systems 66
ISM Interstellar medium 66
Galaxies Galaxies, AGNs, QSOs 504
Multiple objects Galaxy clusters, groups of galaxies, stellar clusters or associations. 80
Extended sources The angular distance d to the catalogued source satisfies 10″ ≤ d ≤ 15″ and it belongs to the category ISM, galaxies or multiple objects. 430
No identification Previously known source of unknown type. 668
Without counterpart No association has been found within 15″. 425

Notes. Naming of the categories used in Fig. 4, with a description of the objects included in each category and the number of sources detected for each.

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