搜索结果: 1-7 共查到“高能天体物理学 Sources”相关记录7条 . 查询时间(0.171 秒)
Blazars as Ultra-High-Energy Cosmic-Ray Sources: Implications for TeV Gamma-Ray Observations
Ultra-High-Energy Cosmic-Ray Sources Implications TeV Gamma-Ray Observations
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2011/10/20
Spectral fitting of correlated multiwavelength data of BL Lac objects and Fanaroff-Riley I radio galaxies gives the mean comoving magnetic field strength B', the bulk outflow Doppler factor Gamma, and...
Compact radio emission in Ultra Luminous X-ray sources
Galaxies general – X-rays general – ISM HII regions
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2010/11/10
We present results from our studies of radio emission from selectecd Ultra Luminous X-ray (ULX) sources, using archival Giant Metrewave Radio Telescope (GMRT) data and new European VLBI Network (EVN) ...
Photometric Catalogue of Quasars and Other Point Sources in the Sloan Digital Sky Survey
astronomical data bases miscellaneous – catalogues – techniques pho-tometric – methods statistical – surveys
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2010/11/12
We present a catalogue of about 8.6 million unresolved photometric detections in the Sloan Digital Sky Survey Seventh Data Release classifying them into stars, galaxies and quasars using a machine lea...
Search for Sources of Ultrahigh Energy Cosmic Rays
Sources Ultrahigh Energy Cosmic Rays
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2010/11/15
The arrival directions of ultrahigh energy extensive air showers (EAS) by Yakutsk, AGASA and P. Auger data are considered. It is found that the arrival directions of EAS in the Yakutsk and AGASA data ...
Dying Radio Sources in Clusters
Radio continuum galaxies - Galaxies active - Galaxies jets - Galaxies clusters
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2010/11/10
Aims. In this work we present the study of five ‘dying’ nearby (z ≤ 0.2) radio galaxies belonging to the WENSS minisurvey and to the B2 bright catalogs: WNB1734+6407, WNB1829+6911, WNB1851+5707, B2 01...
The radio properties of infrared-faint radio sources
Galaxies active Galaxies high-redshift
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2010/11/15
Context. Infrared-faint radio sources (IFRS) are objects that have flux densities of several mJy at 1.4 GHz, but that are invisible at 3.6 m when using sensitive Spitzer observations with Jy sensiti...
The Search for the Sources of the Cosmic Rays One Century after their Discovery
High Energy Astrophysical Phenomena (astro-ph.HE)
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2010/12/23
Despite their discovery potential touching a wide range of science, construction of TeV gamma-ray telescopes, Auger, IceCube and a suite of other particle astrophysics experiments has been largely mot...