Results 51 to 60 of about 309 (157)
Gamma rays, electrons and positrons up to 3 TeV with the Fermi Gamma-ray Space Telescope [PDF]
Journal of Physics: Conference Series, 2012 Presented at the XVth International Conference on Calorimetry in High Energy Physics (CALOR 2012), Santa Fe, New Mexico, USA, June 4-8 2012. The proceedings will be published in Journal of Physics: Conference Series.
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Unveiling the Origin of the Fermi Bubbles
Galaxies, 2018 The Fermi bubbles, two giant structures above and below the Galactic center (GC), are among the most important discoveries of the Fermi Gamma-ray Space Telescope.
H.-Y. Karen Yang +2 more
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TeV Dark Matter Searches in the Extragalactic Gamma-ray Sky
Galaxies, 2022 High-energetic gamma rays from astrophysical targets constitute a unique probe for annihilation or decay of heavy particle dark matter (DM). After several decades, diverse null detections have resulted in strong constraints for DM particle masses up to ...
Moritz Hütten, Daniel Kerszberg
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Fundamental physics in space with the Fermi Gamma-ray Space Telescope
Journal of Physics: Conference Series, 2011 Successfully launched in June 2008, the Fermi Gamma-ray Space Telescope, formerly named GLAST, has been observing the high-energy gamma-ray sky with unprecedented sensitivity for more than two years, opening a new window on a wide variety of exotic astrophysical objects.
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Source detection using a 3D sparse representation: application to the Fermi gamma-ray space telescope [PDF]
Astronomy & Astrophysics, 2009 The multiscale variance stabilization Transform (MSVST) has recently been proposed for Poisson data denoising. This procedure, which is nonparametric, is based on thresholding wavelet coefficients. We present in this paper an extension of the MSVST to 3D data (in fact 2D-1D data) when the third dimension is not a spatial dimension, but the wavelength ...
Starck, Jean-Luc +4 more
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On the Spectral Shape of Non-recycled γ-ray Pulsars [PDF]
Journal of Astronomy and Space Sciences, 2016 More than 100 γ−ray pulsars have been discovered by the Fermi Gamma-ray Space Telescope. With a significantly enlarged sample size, it is possible to compare the properties of different classes. Radio-quiet (RQ) γ−ray pulsars form a distinct population,
Chung-Yue Hui, Jongsu Lee
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The Statistical Analysis of GeV Spectral Breaks in Bright Gamma-Ray Flat-spectrum Radio Quasars
The Astrophysical Journal Supplement SeriesWe present the statistical results of GeV spectral breaks of bright gamma-ray flat-spectrum radio quasars (FSRQs) in the energy range of 0.1–10 GeV based on New Pass 8 data of the Large Area Telescope on board Fermi Gamma-Ray Space Telescope.
K. R. Zhu, J. M. Chen, L. Zhang
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Multichannel Poisson denoising and deconvolution on the sphere: application to theFermiGamma-ray Space Telescope [PDF]
Astronomy & Astrophysics, 2012 17 pages, 10 ...
Schmitt, Jérémy +4 more
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SU(2)X vector DM and Galactic Center gamma-ray excess
Physics Letters B, 2015 An unbroken Z3 symmetry remains when a local SU(2)X symmetry is broken spontaneously by a quadruplet. The gauge boson χμ(χ¯μ) carries the dark charge and is the candidate of dark matter (DM).
Chuan-Hung Chen, Takaaki Nomura
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Fermi gamma-ray space telescope: Science highlights for the first 8 months [PDF]
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2011 The Fermi Gamma-ray Space Telescope was launched on June 11, 2008 and since August 2008 has successfully been conducting routine science observations of high energy phenomena in the gamma-ray sky. A number of exciting discoveries have been made during its first year of operation, including blazar flares, high-energy gamma-ray bursts, and numerous new ...
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