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| Título: | Fermi Gamma-ray Imaging of a Radio Galaxy |
Autor: | Abdo, Aous A.; Caliandro, Giuseppe Andrea CSIC; Rodríguez, Ana Yaiza; Torres, Diego F. CSIC ORCID | Fecha de publicación: | 1-abr-2010 | Editor: | American Association for the Advancement of Science | Citación: | Science 328 (5979): 725-729 (2010) | Resumen: | The Fermi Gamma-ray Space Telescope has detected the gamma-ray glow emanating from the giant radio lobes of the radio galaxy Centaurus A. The resolved gamma-ray image shows the lobes clearly separated from the central active source. In contrast to all other active galaxies detected so far in high-energy gamma-rays, the lobe flux constitutes a considerable portion (>1/2) of the total source emission. The gamma-ray emission from the lobes is interpreted as inverse Compton scattered relic radiation from the cosmic microwave background (CMB), with additional contribution at higher energies from the infrared-to-optical extragalactic background light (EBL). These measurements provide gamma-ray constraints on the magnetic field and particle energy content in radio galaxy lobes, and a promising method to probe the cosmic relic photon fields. | Descripción: | El PDF auto-archivado en Digital.CSIC es el PRE-PRINT del autor.-- arXiv:1006.3986. -- 27 páginas, 4 figuras, 3 tablas. -- Autores: Abdo, Aous A. ... [et al.] | Versión del editor: | http://dx.doi.org/10.1126/science.1184656 | URI: | http://hdl.handle.net/10261/44769 | DOI: | 10.1126/science.1184656 | ISSN: | 0036-8075 | E-ISSN: | 1095-9203 |
| Aparece en las colecciones: | (ICE) Artículos |
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| 1006.3986v1.pdf | 519,49 kB | Adobe PDF |  Visualizar/Abrir |
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