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X-ray and Radio Bursts from the Magnetar 1E1547.0-5408
G. L. Israel, M. Burgay, N. Rea +10
We report on simultaneous radio and X-ray observations of the radio-emitting magnetar 1E1547.0-5408 on 2009 January 25 and February 3, with the 64-m Parkes radio telescope and the…
The new magnetar SGR J1830-0645 in outburst
F. Coti Zelati, A. Borghese, G. L. Israel +13
The detection of a short hard X-ray burst and an associated bright soft X-ray source by the Swift satellite in 2020 October heralded a new magnetar in outburst, SGR J1830-0645. Pul…
The X-ray reactivation of the radio bursting magnetar SGR 1935+2154
A. Borghese, F. Coti Zelati, N. Rea +4
A few years after its discovery as a magnetar, SGR J1935+2154 started a new burst-active phase on 2020 April 27, accompanied by a large enhancement of its X-ray persistent emission…
A Supernova Candidate at z=0.092 in XMM-Newton Archival Data
G. Novara, P. Esposito, A. Tiengo +14
During a search for X-ray transients in the XMM-Newton archive within the EXTraS project, we discovered a new X-ray source that is detected only during a ~5 min interval of a ~21 h…
NuSTAR observation of the Supergiant Fast X-ray Transient IGR J11215-5952 during its 2017 outburst
L. Sidoli, K. Postnov, A. Tiengo +4
We report on the results of a NuSTAR observation of the Supergiant Fast X-ray Transient pulsar IGRJ11215-5952 during the peak of its outburst in June 2017. IGRJ11215-5952 is the on…
The Ultraluminous X-ray sources population of the galaxy NGC 7456
F. Pintore, M. Marelli, R. Salvaterra +28
Ultraluminous X-ray sources (ULXs) are a class of accreting compact objects with X-ray luminosities above 1e39 erg/s. The ULX population counts several hundreds objects but only a…