AGILE detection of Cygnus X-3 γ-ray active states during the period mid-2009/mid-201bulgarelli@iasfbo.inaf.it
- Bulgarelli A.
- Tavani M.
- Chen A. W.
- Evangelista Y.
- Trifoglio M.
- Gianotti F.
- Piano G.
- Sabatini S.
- Striani E.
- Pooley G.
- Trushkin S.
- Nizhelskij N. A.
- McCollough M.
- Koljonen K. I. I.
- Hannikainen D.
- Lahteenmaki A.
- Tammi J.
- Lavonen N.
- Steeghs D.
- Aboudan A.
- Argan A.
- Barbiellini G.
- Campana R.
- Caraveo P.
- Cattaneo P. W.
- Cocco V.
- Contessi T.
- Costa E.
- D'Ammando F.
- Del Monte E.
- De Paris G.
- Di Cocco G.
- Donnarumma I.
- Feroci M.
- Fiorini M.
- Fuschino F.
- Galli M.
- Giuliani A.
- Giusti M.
- Labanti C.
- Lapshov I.
- Lazzarotto F.
- Lipari P.
- Longo F.
- Marisaldi M.
- Mereghetti S.
- Morelli E.
- Moretti E.
- Morselli A.
- Pacciani L.
- Pellizzoni A.
- Perotti F.
- Picozza P.
- Pilia M.
- Prest M.
- Pucella G.
- Rapisarda M.
- Rappoldi A.
- Rubini A.
- Soffitta P.
- Trois A.
- Vallazza E.
- Vercellone S.
- Vittorini V.
- Zambra A.
- Zanello D.
- Giommi P.
- Pittori C.
- Verrecchia F.
- Santolamazza P.
- Lucarelli F.
- Colafrancesco S.
- Salotti L.
DOIAbstract
Context.Cygnus X-3 (Cyg X-3) is a well-known microquasar producing variable emission at all wavelengths. Cyg X-3 is a prominent X-ray binary producing relativistic jets, and studying its high energy emission is crucial for the understanding of the fundamental acceleration processes in accreting compact objects. Aims. Our goal is to study extreme particle acceleration and γ-ray production above 100 MeV during special spectral states of Cyg X-3 usually characterized by a low hard X-ray flux and enhanced soft X-ray states. Methods. We observed Cyg X-3 with the AGILE satellite in extended time intervals from 2009 Jun.-Jul., and 2009 Nov.-2010 Jul. We report here the results of the AGILE γ-ray monitoring of Cyg X-3 as well as the results from ex...
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