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13 papers · 2 filters
Radiodetection of Cosmic Ray Extensive Air Showers
D. Ardouin, A. Belletoile, D. Charrier +12
We present the characteristics and performance of a demonstration experiment devoted to the observation of ultra high- energy cosmic ray extensive air showers using a radiodetectio…
Extracting clean supernova spectra
S. Blondin, J. R. Walsh, B. Leibundgut +1
We use a new technique to extract the spectrum of a supernova from that of the contaminating background of its host galaxy, and apply it to the specific case of high-redshift Type…
Star-disc interactions in a galactic centre and oblateness of the inner stellar cluster
L. Subr, V. Karas, J. -M. Hure
Structure of a quasi-stationary stellar cluster is modelled assuming that it is embedded in the gravitational field of a super-massive black hole. Gradual orbital decay of stellar…
Revealing the nature of the highly obscured galactic source IGR J16318-4848
Sylvain Chaty, Philippe Filliatre
The X-ray source IGR J16318-4848 was the first source discovered by INTEGRAL on 2003, January 29. The high energy spectrum exhibits such a high column density that the source is un…
Contribution of point sources to the soft gamma-ray Galactic emission
Regis Terrier, Francois Lebrun, Guillaume Belanger +6
The nature of the soft gamma-ray (20-200 keV) Galactic emission has been a matter of debate for a long time. Previous experiments have tried to separate the point source contributi…
An INTEGRAL Observation of the Black Hole Transient 4U 1630--47 and the Norma Region of the Galaxy
John A. Tomsick, Richard Lingenfelter, Stephane Corbel +2
We report on results from a 2003 February INTEGRAL observation of the black hole candidate (BHC) 4U 1630-47 and the high energy sources in the Norma Region of the Galaxy and on RXT…