New result from EXTraS: an accreting pulsar powers the ultraluminous X-ray source P13 in NGC 7793. The paper reporting the discovery has been accepted for publication by the journal MNRAS and is now in press. You can read it here, on arXiv or here, on MNRAS.
You might also want to read the Media INAF press release

News:

A new EXTraS paper, "Discovery of periodic dips in the brightest hard X-ray source of M31 with EXTraS", has been accepted... 
The EXTraS Archive is Online! Click here to browse through all the EXTraS products. Catalogues, light curves, power... 
An exciting result from EXTraS: the extreme ULX in NGC 5907, one of the best intermediate mass black hole candidates, is...