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Analysis of the unconcentrated background of the EPIC-pn camera on board XMM-Newton
Martino Marelli, Silvano Molendi, Mariachiara Rossetti +8
Our understanding of the background of the EPIC/pn camera onboard XMM-Newton is incomplete. This affects the study of extended sources and can influence the predictions of the back…
The INTEGRAL view of the pulsating hard X-ray sky: from accreting and transitional millisecond pulsars to rotation-powered pulsars and magnetars
A. Papitto, M. Falanga, W. Hermsen +30
In the last 25 years, a new generation of X-ray satellites imparted a significant leap forward in our knowledge of X-ray pulsars. The discovery of accreting and transitional millis…
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…
Prediction and understanding of soft proton contamination in XMM-Newton: a machine learning approach
E. A. Kronberg, F. Gastaldello, S. Haaland +10
One of the major and unfortunately unforeseen sources of background for the current generation of X-ray telescopes are few tens to hundreds of keV (soft) protons concentrated by th…
Dust-scattering halo and giant hard X-ray flare from the Supergiant Fast X-ray Transient IGR J16479-4514 investigated with XMM-Newton and INTEGRAL
V. Sguera, A. Tiengo, L. Sidoli +1
We report results from the analysis of XMM-Newton and INTEGRAL data of IGR J16479-4514. The unpublished XMM-Newton observation, performed in 2012, occurred during the source eclips…
A Multi-wavelength search for Black Widows and Redbacks counterparts of candidate -ray millisecond pulsars
C. Braglia, R. P. Mignani, A. Belfiore +6
The wealth of detections of millisecond pulsars (MSPs) in -rays by {\em Fermi} has spurred searches for these objects among the several unidentified -ray sources. Interesting…
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 search for optical and near-infrared counterparts of the compact binary merger GW190814
A. L. Thakur, S. Dichiara, E. Troja +29
We report on our observing campaign of the compact binary merger GW190814, detected by the Advanced LIGO and Advanced Virgo detectors on August 14th, 2019. This signal has the best…
Observation of inverse Compton emission from a long -ray burst
V. A. Acciari, S. Ansoldi, L. A. Antonelli +301
Long-duration gamma-ray bursts (GRBs) originate from ultra-relativistic jets launched from the collapsing cores of dying massive stars. They are characterised by an initial phase o…
The slow heartbeats of an ultra-luminous X-ray source in NGC 3621
S. E. Motta, M. Marelli, F. Pintore +6
We report on the results of X-ray observations of 4XMM J111816.0-324910, a transient ultra-luminous X-ray source located in the galaxy NGC 3621. This system is characterised by a t…
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…
A very young radio-loud magnetar
P. Esposito, N. Rea, A. Borghese +20
The magnetar Swift ,J1818.0-1607 was discovered in March 2020 when Swift detected a 9 ms hard X-ray burst and a long-lived outburst. Prompt X-ray observations revealed a spin perio…
INTEGRAL discovery of a burst with associated radio emission from the magnetar SGR 1935+2154
S. Mereghetti, V. Savchenko, C. Ferrigno +23
We report on INTEGRAL observations of the soft -ray repeater SGR 1935+2154 performed between 2020 April 28 and May 3. Several short bursts with fluence of …
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…
EXTraS discovery of an X-ray superflare from an L dwarf
A. De Luca, B. Stelzer, A. J. Burgasser +13
We present the first detection of an X-ray flare from an ultracool dwarf of spectral class L. The event was identified in the EXTraS database of XMM-Newton variable sources, and it…
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…