Free Access
Table 5
Source classes and criteria in the catalogue.
| Classa | Criteria | Identified | Classified |
|
|
|||
| XRB | hard X-ray source, HV, OB | 3 | 101 |
| GlC | correlation with optically confirmed GlC, hard spectrum | 32 | 1 |
| SSS | X-rays mostly below 1 keV | 0 | 6 |
| nova | correlation with optical nova | 45 | |
| SNR | softer X-ray source and/or extent, correlation with radio or optical SNR | 6 | 1 |
| AGN | hard X-rays, radio identification | 1 | 1 |
| fgStar | softer X-rays, optical identification | 7 | 4 |
| unclassified | 110 | ||
Notes.
(a)
Classes are adopted from Stiele et al. (2011) and Pietsch et al. (2005b). XRB: X-ray binary, GlC: globular cluster, SSS: super-soft source, nova: optical nova, SNR: supernova remnant, AGN: active galactic nucleus, fgStar: foreground star.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.