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Fermi/GBM and BATSE Gamma-Ray Bursts: comparison of the spectral properties
Lara Nava, Giancarlo Ghirlanda, Gabriele Ghisellini +1
The Gamma-ray Burst Monitor (GBM) on board Fermi allows to study the spectra of Gamma Ray Bursts (GRBs) over an unprecedented wide energy range (8 keV - 35 MeV). We compare the spe…
Spectral properties of 438 GRBs detected by Fermi/GBM
L. Nava, G. Ghirlanda, G. Ghisellini +1
We present the results of the spectral analysis of the public data of 438 Gamma Ray Bursts (GRBs) detected by the Fermi Gamma ray Burst Monitor (GBM) up to March 2010. For 432 burs…
An optical spectroscopic survey of the 3CR sample of radio galaxies with z<0.3. III. Completing the sample
Sara Buttiglione, Alessandro Capetti, Annalisa Celotti +4
We present optical nuclear spectra for nine 3CR radio sources obtained with the Telescopio Nazionale Galileo, that complete our spectroscopic observations of the sample up to redsh…
Young radio sources: a radio-gamma perspective
M. Orienti, G. Migliori, A. Siemiginowska +1
The evolutionary stage of a powerful radio source originated by an AGN is related to its linear size. In this context, compact symmetric objects (CSOs), which are powerful and intr…
Gamma-ray Spectral Evolution of NGC1275 Observed with Fermi-LAT
J. Kataoka, L. Stawarz, C. C. Cheung +7
We report on a detailed investigation of the high-energy gamma-ray emission from NGC\,1275, a well-known radio galaxy hosted by a giant elliptical located at the center of the near…
Intermittent Activity of Jets in AGN
Aneta Siemiginowska, Bozena Czerny, Agnieszka Janiuk +5
Large scale X-ray jets that extend to >100 kpc distances from the host galaxy indicate the importance of jets interactions with the environment on many different physical scales. M…