Search Results - "Finke, J. D"
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Ultra-high-energy cosmic rays from black hole jets of radio galaxies
Published in New journal of physics (30-06-2009)Get full text
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DETECTION OF THE COSMIC γ-RAY HORIZON FROM MULTIWAVELENGTH OBSERVATIONS OF BLAZARS
Published in The Astrophysical journal (10-06-2013)“…The first statistically significant detection of the cosmic gamma -ray horizon (CGRH) that is independent of any extragalactic background light (EBL) model is…”
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The large gamma-ray flare of the FSRQ PKS 0346-27
Published 19-06-2019“…A&A 627, A140 (2019) In this paper, we characterize the first $\gamma$-ray flaring episode of the FSRQ PKS 0346-27 (z=0.991), as revealed by Fermi-LAT…”
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A significant hardening and rising shape detected in the MeV/GeV nuFnu spectrum from the recently-discovered very-high-energy blazar S4 0954+65 during the bright optical flare in 2015 February
Published 19-04-2016“…We report on Fermi Large Area Telescope (LAT) and multi-wavelength results on the recently-discovered very-high-energy (VHE, $E>$ 100 GeV) blazar S4 0954+65…”
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Detection of the cosmic \gamma-ray horizon from multiwavelength observations of blazars
Published 09-05-2013“…The first statistically significant detection of the cosmic \gamma-ray horizon (CGRH) that is independent of any extragalactic background light (EBL) model is…”
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DETECTION OF THE COSMIC {gamma}-RAY HORIZON FROM MULTIWAVELENGTH OBSERVATIONS OF BLAZARS
Published in The Astrophysical journal (10-06-2013)“…The first statistically significant detection of the cosmic {gamma}-ray horizon (CGRH) that is independent of any extragalactic background light (EBL) model is…”
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Ultra High Energy Cosmic Rays from Black Hole Jets of Radio Galaxies
Published 18-03-2009“…New J.Phys.11:065016,2009 The Auger Collaboration reports that the arrival directions of >60 EeV ultra-high energy cosmic rays (UHECRs) cluster along the…”
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Redshift Limits of BL Lacertae Objects from Optical Spectroscopy
Published 13-11-2007“…Context: BL Lacertae objects have been the targets for numerous recent multiwavelength campaigns, continuum spectral variability studies, and theoretical…”
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The Hard VHE Y-Ray Emission in High-Redshift TeV Blazars: Comptonization of Cosmic Microwave Background Radiation in an Extended Jet?
Published in The Astrophysical journal (20-05-2008)“…Observations of very-high-energy (VHE; E > 250 GeV) Y-ray emission from several blazars at z > 0.1 have placed stringent constraints on the elusive spectrum…”
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X-Ray Spectral Signatures of the Photon Bubble Model for Ultraluminous X-Ray Sources
Published in The Astrophysical journal (20-09-2007)“…The nature of ultraluminous X-ray sources (ULXs) in nearby galaxies is one of the major open questions in modern X-ray astrophysics. One possible explanation…”
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Two active states of the narrow-line gamma-ray-loud AGN GB 1310+487
Published 13-03-2014“…Astronomy & Astrophysics 565 (2014) A26 Previously unremarkable, the extragalactic radio source GB 1310+487 showed a gamma-ray flare on 2009 November 18,…”
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A Library of Fokker‐Planck Coefficients for Coulomb Scattering
Published in Publications of the Astronomical Society of the Pacific (01-05-2005)“…The time evolution of electron distribution functions in hot, ionized gases can be described in terms of a Fokker‐Planck equation. We have previously developed…”
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On the Physics Connecting Cosmic Rays and Gamma Rays: Towards Determining the Interstellar Cosmic Ray Spectrum
Published 26-03-2013“…Secondary nuclear production physics is receiving increased attention given the high-quality measurements of the gamma-ray emissivity of local interstellar gas…”
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Constraints on the gamma-ray emitting region in blazars from multi-frequency VLBI measurements
Published 15-06-2010“…Single-zone synchrotron self-Compton and external Compton models are widely used to explain broad-band Spectral Energy Distributions (SEDs) of blazars from…”
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