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MAXI J1535-571 2017 outburst Seen by INTEGRAL/SPI and Investigating the Origin of Its Hard Tail
James Rodi, E. Jourdain, J. P. Roques
On 2 September 2017 MAXI J1535-571 went into outburst and peaked at ~5 Crab in the 2-20 keV energy range. Early in the flare INTEGRAL performed Target of Opportunity pointings and…
2003-2018 Monitoring of the Crab Nebula Polarization in hard X-rays with INTEGRAL SPI
E. Jourdain, J. P. Roques
We have analyzed 16 years of observations dedicated to the Crab (pulsar + nebula) with the INTEGRAL SPI instrument to investigate its polarization properties. We find that the sour…
INTEGRAL results on the electromagnetic counterparts of gravitational waves
S. Mereghetti, V. Savchenko, C. Ferrigno +18
Thanks to its high orbit and a set of complementary detectors providing continuous coverage of the whole sky, the INTEGRAL satellite has unique capabilities for the identification…
INTEGRAL Detection of the First Prompt Gamma-Ray Signal Coincident with the Gravitational Wave Event GW170817
V. Savchenko, C. Ferrigno, E. Kuulkers +20
We report the e INTernational Gamma-ray Astrophysics Laboratory (INTEGRAL) detection of the short gamma-ray burst GRB 170817A (discovered by Fermi-GBM) with a signal-to-noise ratio…
INTEGRAL upper limits on gamma-ray emission associated with the gravitational wave event GW150914
V. Savchenko, C. Ferrigno, S. Mereghetti +14
Using observations of the INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL), we put upper limits on the gamma-ray and hard X-ray prompt emission associated with the gravit…
Radioactive 26Al from the Scorpius-Centaurus Association
Roland Diehl, Michael G. Lang, Pierrick Martin +7
The Scorpius-Centaurus association is the most-nearby group of massive and young stars. As nuclear-fusion products are ejected by massive stars and supernovae into the surrounding…