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INTEGRAL observations of the field of the BL Lacertae object S5~0716+714
E. Pian, L. Foschini, V. Beckmann
We have performed observations of the blazar S5 0716+714 with INTEGRAL on 2-6 April 2004. In the first months of 2004, the source had increased steadily in optical brightness and h…
First XMM-Newton study of two Narrow-Line Seyfert 1 galaxies discovered in the Sloan Digital Sky Survey
L. Foschini, V. Braito, G. G. C. Palumbo +6
The Early Data Release of the Sloan Digital Sky Survey (SDSS) contains 150 Narrow-Line Seyfert 1 (NLS1) galaxies, most of them previously unknown. We present here the study of the…
INTEGRAL observation of 3EG J1736-2908
G. Di Cocco, L. Foschini, P. Grandi +10
The possible identification by INTEGRAL of the EGRET source 3EG J1736-2908 with the active galactic nucleus GRS 1734-292 is discussed. The latter was discovered in 1990 and later i…
Serpens X-1 observed by INTEGRAL
N. Masetti, L. Foschini, E. Palazzi +13
Here we report results of an INTEGRAL-AO1 observation of the X-ray burst and atoll source Ser X-1 performed in May 2003. The object was observed for a total on-source time of 400 k…
Study of Unidentified EGRET sources with INTEGRAL: first results and future prospects
G. Di Cocco, A. J. Castro-Tirado, S. Chaty +12
The primary objective of the study of unidentified EGRET sources with INTEGRAL is to locate with a few arcminute accuracy the hard X-ray / soft gamma-ray counterparts within the EG…
Hard X-ray emission from Serpens X-1 as observed by INTEGRAL
N. Masetti, L. Foschini, E. Palazzi +5
We here report results of an INTEGRAL observation of the X-ray burst and atoll source Ser X-1 performed on May 2003. The object was observed for a total of 400 ks but nearly 8 degr…