| 05.03 (EXTraS XMM) | Details on Acronym: EXMM | |
| EXMM | ||
| Write: | <<EXMM JHHMMSS.s+DDMMSS>> | |
| Object: | (X) + Transient (SIMBAD class: Transient = Transient Event) | |
| Note: | The EXTraS (“Exploring the X-ray Transient and variable Sky”) transient catalogue contains X-ray sources which can be significantly detected by XMM-Newton EPIC in a short time interval but not by the analysis of the full observation. This happens to strongly variable sources that are too dim to emerge from the background of a long observation or that are bright enough only during periods of high particle background removed by the standard analysis. The catalogue is available at https://www88.lamp.le.ac.uk/extras/query/extras_transients | |
| Origin | of the Acronym: A = Assigned by the author(s) | |