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15 GHz Monitoring of Gamma-ray Blazars with the OVRO 40 Meter Telescope in Support of Fermi
J. L. Richards, W. Max-Moerbeck, V. Pavlidou +11
We present results from the first two years of our fast-cadence 15 GHz gamma-ray blazar monitoring program, part of the F-GAMMA radio monitoring project. Our sample includes the 11…
The Spectral Energy Distribution of Fermi bright blazars
A. A. Abdo, M. Ackermann, M. Ajello +107
(Abridged) We have conducted a detailed investigation of the broad-band spectral properties of the γ-ray selected blazars of the Fermi LAT Bright AGN Sample (LBAS). By combining ou…
The detectability of dark matter annihilation with Fermi using the anisotropy energy spectrum of the gamma-ray background
Brandon S. Hensley, Jennifer M. Siegal-Gaskins, Vasiliki Pavlidou
The energy-dependence of the anisotropy (the anisotropy energy spectrum) of the large-scale diffuse gamma-ray background can reveal the presence of multiple source populations. Ann…
Multiwavelength monitoring of the enigmatic Narrow-Line Seyfert 1 PMN J0948+0022 in March-July 2009
LAT Collaboration, E. Angelakis, C. Bailyn +39
Following the recent discovery of gamma rays from the radio-loud narrow-line Seyfert 1 galaxy PMN J0948+0022 (z=0.5846), we started a multiwavelength campaign from radio to gamma r…
AGN astrophysics via multi-frequency monitoring of gamma-ray blazars in the Fermi-GST era
E. Angelakis, L. Fuhrmann, J. A. Zensus +10
The F-GAMMA-project is the coordinated effort of several observatories to understand the AGN phenomenon and specifically blazars via multi-frequency monitoring in collaboration wit…
The Extragalactic Background Light Absorption Feature in the Blazar Component of the Extragalactic Gamma-ray Background
Tonia M. Venters, Vasiliki Pavlidou, Luis C. Reyes
High-energy photons from cosmological emitters suffer attenuation due to pair production interactions with the extragalactic background light (EBL). The collective emission of any…