SSS in young stellar populations and the "prompt" component of type Ia supernovae

T. Nelson, M. Orio, F. Di Mille

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


We present the results of a search for UV and optical counterparts of the SSS population in M 31. We find that out of the 56 sources we included in our search, 16 are associated with regions of ongoing or recent star formation. We discuss two particularly interesting sources that are identified optically as early type stars, one of which displayed long term X-ray evolution similar to that observed in classical novae. We discuss the physical origin of supersoft X-rays in these and the other SSS in young regions, and their possible link to the so-called "prompt" component of the Type Ia supernova population.

Original languageEnglish (US)
Pages (from-to)223-226
Number of pages4
JournalAstronomische Nachrichten
Issue number2
StatePublished - Feb 2010


  • Galaxies: individual (M 31)
  • Novae, cataclysmic variables
  • Ultraviolet: Stars
  • X-rays: Binaries
  • X-rays: Stars


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