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A Giant Flare from a Soft Gamma Repeater in the Andromeda Galaxy, M31
E. P. Mazets, R. L. Aptekar, T. L. Cline +6
The light curve, energy spectra, energetics, and IPN localization of an exceedingly intense short duration hard spectrum burst, GRB 070201, obtained from Konus-Wind, INTEGRAL (SPI-…
SPI observations of the diffuse 60Fe emission in the Galaxy
W. Wang, M. J. Harris, R. Diehl +12
Gamma-ray line emission from radioactive decay of 60Fe provides constraints on nucleosynthesis in massive stars and supernovae. The spectrometer SPI on board INTEGRAL has accumulat…
IGR J08408--4503: a new recurrent Supergiant Fast X-ray Transient
D. Gotz, M. Falanga, F. Senziani +3
The supergiant fast X-ray transient IGR J08408-4503 was discovered by INTEGRAL on May 15, 2006, during a bright flare. The source shows sporadic recurrent short bright flares, reac…
Radioactive 26Al and massive stars in the Galaxy
Roland Diehl, Hubert Halloin, Karsten Kretschmer +13
Gamma-rays from radioactive 26Al (half life ~7.2 10^5 yr) provide a 'snapshot' view of ongoing nucleosynthesis in the Galaxy. The Galaxy is relatively transparent to such gamma-ray…
INTEGRAL and XMM-Newton observations of the low-luminosity and X-ray rich burst GRB 040223
S. McGlynn, S. McBreen, L. Hanlon +6
GRB 040223 was observed by INTEGRAL and XMM-Newton. GRB 040223 has a peak flux of (1.6+/-0.13) x10^-8 ergs cm^-2 s^-1, a fluence of (4.4+/-0.4)x10^-7 ergs cm^-2 and a steep photon…
The Sample of Gamma-ray Bursts Observed With SPI-ACS
A. Rau, A. von Kienlin, K. Hurley +1
The SPI anticoincidence shield consists of 91 BGO crystals and is operated as a nearly omnidirectional gamma-ray burst detector above ~75 keV. Since the start of the mission 269 ga…