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- M. Villata2 profiles25 · h 56
- C. Raiteri21 · h 60
- L. Fuhrmann3 profiles20 · h 55
- A. Capetti2 profiles17 · h 40
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- A. Sozzetti2 profiles13 · h 65
- G. Murante13 · h 47
- U. Bach3 profiles13 · h 50
- A. Mignone3 profiles12 · h 29
- V. Larionov12 · h 60
- M. Arnaboldi3 profiles11 · h 41
- M. Chiaberge2 profiles11 · h 28
- National Institute for AstrophysicsIT44 papers
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6 papers · 1 filter
Not only once: the amazing gamma-ray activity of the blazar PKS 1510-089
F. D'Ammando, C. M. Raiteri, M. Villata +6
PKS 1510-089 is a powerful Flat Spectrum Radio Quasar at z=0.361 with radiative output dominated by the gamma-ray emission. In the last two years PKS 1510-089 showed high variabili…
HST/ACS Emission Line Imaging of Low Redshift 3CR Radio Galaxies I: The Data
Grant R. Tremblay, Marco Chiaberge, William B. Sparks +11
We present 19 nearby (z<0.3) 3CR radio galaxies imaged at low- and high-excitation as part of a Cycle 15 Hubble Space Telescope snapshot survey with the Advanced Camera for Surveys…
Simultaneous observations of PKS 2155-304 with H.E.S.S., Fermi, RXTE and ATOM: spectral energy distributions and variability in a low state
H. E. S. S., Fermi-LAT collaborations
We report on the first simultaneous observations that cover the optical, X-ray, and high energy gamma-ray bands of the BL Lac object PKS 2155-304. The gamma-ray bands were observed…
Bright AGN Source List from the First Three Months of the Fermi Large Area Telescope All-Sky Survey
A. A. Abdo
The first three months of sky-survey operation with the Fermi Gamma Ray Space Telescope (Fermi) Large Area Telescope (LAT) reveals 132 bright sources at |b|>10 deg with test statis…
Extended X-ray emission in radio galaxies: the peculiar case of 3C 305
F. Massaro, M. Chiaberge, P. Grandi +8
Extended X-ray structures are common in Active Galactic Nuclei (AGNs). Here we present the first case of a Compact Steep Spectrum (CSS) radio galaxy, 3C 305, in which the X-ray rad…
An optical spectroscopic survey of the 3CR sample of radio galaxies with z<0.3. I. Presentation of the data
Sara Buttiglione, Alessandro Capetti, Annalisa Celotti +4
We present a homogeneous and 92 % complete dataset of optical nuclear spectra for the 113 3CR radio sources with redshifts < 0.3, obtained with the Telescopio Nazionale Galileo. Fo…