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A science gateway for Exploring the X-ray Transient and variable sky using EGI Federated Cloud
Daniele D'Agostino, Luca Roverelli, Gabriele Zereik +7
Modern soft X-ray observatories can yield unique insights into time domain astrophysics, and a huge amount of information is stored - and largely unexploited - in data archives. Li…
A citizen science exploration of the X-ray transient sky using the EXTraS science gateway
Daniele D'Agostino, Duncan Law-Green, Mike Watson +6
Modern soft X-ray observatories can yield unique insights into time domain astrophysics, and a huge amount of information is stored - and largely unexploited - in data archives. Li…
Diffuse X-ray emission around an ultraluminous X-ray pulsar
Andrea Belfiore, Paolo Esposito, Fabio Pintore +17
Ultraluminous X-ray sources (ULXs) are extragalactic X-ray emitters located off-center of their host galaxy and with a luminosity in excess of a few ,…
Discovery of a 2.8 s pulsar in a 2 d orbit High-Mass X-ray Binary powering the Ultraluminous X-ray source ULX-7 in M51
G. A. Rodríguez Castillo, G. L. Israel, A. Belfiore +26
We discovered 2.8 s pulsations in the X-ray emission of the ultraluminous X-ray source (ULX) M51 ULX-7 within the UNSEeN project, which was designed to hunt for new pulsating ULXs…
The afterglow and kilonova of the short GRB 160821B
E. Troja, A. J. Castro-Tirado, J. Becerra Gonzalez +22
GRB 160821B is a short duration gamma-ray burst (GRB) detected and localized by the Neil Gehrels Swift Observatory in the outskirts of a spiral galaxy at z=0.1613, at a projected p…
Follow-up observations of X-ray emitting hot subdwarf stars: the compact He-poor sdO star Feige 34
N. La Palombara, S. Mereghetti, P. Esposito +1
We report on results obtained with the XMM-Newton observation of Feige 34 carried out in April 2018. This is the first spectroscopic X-ray observation of a compact and helium-poor…
The multi-outburst activity of the magnetar in Westerlund I
A. Borghese, N. Rea, R. Turolla +17
After two major outbursts in 2006 and 2011, on 2017 May 16 the magnetar CXOU J164710.2-455216, hosted within the massive star cluster Westerlund I, emitted a short (20 ms) burst, w…