Výsledky vyhledávání - "Gamma rays: observations"

Akademický článek

Autor: Fox, Derek B., Roming, Peter W. A.

Publikováno v: Philosophical Transactions: Mathematical, Physical and Engineering Sciences, 2007 May . 365(1854), 1293-1305.

Externí odkaz: https://www.jstor.org/stable/25190516

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Akademický článek

Structure formation cosmic rays: Identifying observational constraints

Autor: Prodanović T., Fields B.D.

Publikováno v: Serbian Astronomical Journal, Vol 2005, Iss 170, Pp 33-45 (2005)

Shocks that arise from baryonic in-fall and merger events during the structure formation are believed to be a source of cosmic rays. These "structure formation cosmic rays" (SFCRs) would essentially be primordial in composition, namely, mostly made o

Externí odkaz: https://doaj.org/article/cdfc8e42c72d4d3fa7a70cde3985ac06

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Akademický článek

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The Broadband Behaviour of Bright TeV Gamma-Ray Emitting Blazars

Autor: Arbet-Engels, Axel

This thesis presents a characterisation of the broadband behaviour of TeV gamma-ray emitting blazars that belong to the family of active galactic nuclei. Their high bolometric luminosity as well as their bright non-thermal emission up to at least TeV

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::90e97dc60def0c69211e27ab0ed8c9dd
https://hdl.handle.net/20.500.11850/489411

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A study of Neural networks point source extraction on simulated Fermi/LAT Telescope images

Autor: Drozdova Mariia, Ustyuzhanin Andrey, Malyshev Denys, Broilovskiy Anton

Publikováno v: Astron.Nachr.
Astron.Nachr., 2020, 341 (8), pp.819-826. ⟨10.1002/asna.202013788⟩

Astrophysical images in the GeV band are challenging to analyze due to the strong contribution of the background and foreground astrophysical diffuse emission and relatively broad point spread function of modern space-based instruments. In certain ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e14a722c98186da935f74c691776a2a7
http://arxiv.org/abs/2007.04295

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The Fourth Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope

Autor: Michael Kreter, Carmelo Sgrò, Riccardo Rando, Leonid Petrov, E. Nuss, M. Kuss, Nicola Omodei, M. Orienti, Diego F. Torres, M. Yassine, E. Hays, Francesco Massaro, G. Jóhannesson, L. S. Ojha, S. Harita, Frank K. Schinzel, Marco Ajello, E. Orlando, S. Maldera, B. Lott, R. Itoh, Jean Ballet, S. Garrappa, G. Martí-Devesa, F. Piron, G. M. Madejski, Francesco Longo, Manuel Meyer, Eleonora Torresi, R. Bonino, Giacomo Principe, Stefano Ciprini, J. Li, E. Troja, Marcello Giroletti, Nestor Mirabal, A. Reimer, Stefan Funk, P. van Zyl, Melissa Pesce-Rollins, Eugenio Bottacini, J. F. Ormes, P. Fusco, F. Gargano, Elliott D. Bloom, C. Leto, F. Fana Dirirsa, N. Di Lalla, C. C. Cheung, J. Valverde, Stefan Larsson, Sylvain Guiriec, Alberto Manfreda, Denis Bastieri, Z. Pei, A. Morselli, Igor V. Moskalenko, Soebur Razzaque, P. de la Torre Luque, Mn Mazziotta, Elizabeth C. Ferrara, Olaf Reimer, Justin D. Finke, I. A. Grenier, M. Razzano, F. de Palma, Filippo D'Ammando, D. J. Suson, D. Costantin, Nicola Giglietto, Yutaro Tachibana, Vaidehi S. Paliya, F. Loparco, R. Angioni, E. Cavazzuti, M. N. Lovellette, P. Lubrano, J. Becerra González, H. Poon, Gloria Spandre, E. J. Siskind, Giulia Migliori, Aaron Dominguez, Elisabetta Bissaldi, R. A. Cameron, David A. Green, Rodrigo Nemmen, D. J. Thompson, D. Horan, P. Bruel, Magnus Axelsson, R. de Menezes, Anna Franckowiak, S. Buson, Ioannis Liodakis, S. Rainò, Tsunefumi Mizuno, Yasushi Fukazawa, P. Spinelli, Ronaldo Bellazzini, Francesco Giordano, Fabio Cafardo, Bindu Rani, Dario Gasparrini, Felicia Krauss, Abhishek Desai, Sina Chen, L. Di Venere, Roopesh Ojha, H. A. Peña-Herazo, Massimo Persic, D. Serini, Guido Barbiellini, I. Mereu, S. Cutini, M. E. Monzani, M. Negro, Miloš Kovačević

Publikováno v: Astrophys.J.
Astrophys.J., 2020, 892, pp.105. ⟨10.3847/1538-4357/ab791e⟩
Digital.CSIC. Repositorio Institucional del CSIC
instname
The Astrophysical Journal
The Astrophysical Journal, American Astronomical Society, 2020, 892 (2), pp.105. ⟨10.3847/1538-4357/ab791e⟩

The fourth catalog of active galactic nuclei (AGNs) detected by the Fermi Gamma-ray Space Telescope Large Area Telescope (4LAC) between 2008 August 4 and 2016 August 2 contains 2863 objects located at high Galactic latitudes (|b| > 10°). It includes

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6dd56ca8d7881acf712dd1c05a5b5a7e
http://hdl.handle.net/11368/2994683

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Advances in Understanding High-Mass X-ray Binaries with INTEGRALand Future Directions

Autor: Jörn Wilms, Colleen A. Wilson-Hodge, Julia Alfonso-Garzon, Paul Hemphill, Antonios Manousakis, J. Rodriguez, Lara Sidoli, P. Romano, Jian Li, Jose M. Torrejon, Katja Pottschmidt, Sergey S. Tsygankov, S. Martínez-Núñez, Andrea Santangelo, Diego F. Torres, A. J. Bird, I. Kreykenbohm, Pere Blay, Victoria Grinberg, Peter Kretschmar, Vanessa McBride, Felix Fürst, N. Masetti, Ignacio Negueruela, J. J. Rodes-Roca, Carlo Ferrigno, Matthias Kühnel, J. Miguel Mas-Hesse, Arash Bodaghee, Andrii Neronov, Pablo Reig, S. Fritz, A. Paizis, Shu Zhang, Alexander A. Lutovinov, Isabel Caballero, Maurizio Falanga, Enrico Bozzo, John A. Tomsick, Masha Chernyakova, Lorenzo Ducci, Roland Walter, S. A. Grebenev, Richard E. Rothschild, M. J. Coe, A. Domingo, Sylvain Chaty, Rüdiger Staubert, Konstantin Postnov, Vito Sguera, Victor Doroshenko

Publikováno v: RUA. Repositorio Institucional de la Universidad de Alicante
Universidad de Alicante (UA)
New astronomy reviews 86, 101546 (2019). doi:10.1016/j.newar.2020.101546
New Astron.Rev.
New Astron.Rev., 2019, 86, pp.101546. ⟨10.1016/j.newar.2020.101546⟩
DIGITAL.INTA Repositorio Digital del Instituto Nacional de Técnica Aeroespacial
Instituto Nacional de Técnica Aeroespacial (INTA)
instname

New astronomy reviews 86, 101546 (2019). doi:10.1016/j.newar.2020.101546
High mass X-ray binaries are among the brightest X-ray sources in the Milky Way, as well as in nearby Galaxies. Thanks to their highly variable emissions and complex phenom

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c4bbb89d0a398c32927e3011a49b793c
https://www.sciencedirect.com/science/article/pii/S1387647320300233

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Upper Limits on Gamma-ray Emission from Supernovae Serendipitously Observed with H.E.S.S

Autor: N. Maxted, Jacco Vink, Rachel Simoni, Mathieu Renaud

Publikováno v: IAU Symp.
IAU Symposium 331
IAU Symposium 331, Feb 2017, Saint-Gilles-Les-Bains, France. pp.325-328, ⟨10.1017/S1743921317004628⟩
Proceedings of the International Astronomical Union, 12(S331), 325-328. Cambridge University Press

It is hypothesized that some young supernovae might have the correct properties to accelerate cosmic rays, which in turn might generate gamma-ray emission by-products. We search for gamma-ray excesses towards supernovae in nearby galaxies which were

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e62baf4e22e773895dd509992eae25b
https://doi.org/10.1017/s1743921317004628

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