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- Russian Academy of SciencesRU490 papers
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- Centre National de la Recherche ScientifiqueFR176 papers
- Kazan Federal UniversityRU165 papers
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6 papers · 2 filters
AGILE detection of Cygnus X-3 γ-ray active states during the period mid-2009/mid-2010
A. Bulgarelli, M. Tavani, A. W. Chen +70
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 h…
Evidence of Deterministic Components in the Apparent Randomness of GRBs: Clues of a Chaotic Dynamic
G. Greco, R. Rosa, G. Beskin +5
Prompt γ-ray emissions from gamma-ray bursts (GRBs) exhibit a vast range of extremely complex temporal structures with a typical variability time-scale significantly short - as fas…
Sn 2008in - bridging the gap between normal and faint supernovae of type IIP
Rupak Roy, Brijesh Kumar, Stefano Benetti +18
We present optical photometric and low-resolution spectroscopic observations of the Type II plateau supernova (SN) 2008in, which occurred in the outskirts of the nearly face-on spi…
Monotonic and cyclic components of radio pulsars spin-down
A. Biryukov, G. Beskin, S. Karpov
In this article we revise the problem of anomalous values of pulsars' braking indices n_{obs} and frequency second derivatives F2 arising in observations. The intrinsic evolutionar…
An unusual stellar death on Christmas Day
C. C. Thöne, A. de Ugarte Postigo, C. L. Fryer +31
Long Gamma-Ray Bursts (GRBs) are the most dramatic examples of massive stellar deaths, usually as- sociated with supernovae (Woosley et al. 2006). They release ultra-relativistic j…
The 2010 May Flaring Episode of Cygnus X-3 in Radio, X-Rays, and γ-Rays
Peter K. G. Williams, John A. Tomsick, Arash Bodaghee +7
In 2009, Cygnus X-3 (Cyg X-3) became the first microquasar to be detected in the GeV γ-ray regime, via the satellites Fermi and AGILE. The addition of this new band to the observat…