| タイトル | The contribution to the gamma-ray background from a superposition of 3C 273-like jet sources |
| 著者（英） | Sadun, Alberto C. |
| 著者所属（英） | Agnes Scott Coll. |
| 発行日 | 1988-01-01 |
| 言語 | eng |
| 内容記述 | Recent theories suggest that quasar jets may produce the gamma-ray emission observed in sources such as 3C 273. One of these theories is tested to see if it is consistent with observations of the gamma-ray background. Quasar jets are taken as the source of this radiation, each with the spectrum of the nearby quasar 3C 273, and with an evolution in time based on a model for the observed gamma-rays of 3C 273. In that model, a plasma jet interacts with the ambient intergalactic gas to produce (from nuclear collisions) secondary electrons which lead to isotropic bremsstrahlung gamma-rays, and ultimately to a double radio source. It is shown that the gamma-ray background can be modeled in general as a superposition of such discrete sources of various redshifts. The results are consistent with the observed background intensity and spectral form; of course, there are uncertain and adjustable parameters. |
| NASA分類 | ASTROPHYSICS |
| レポートNO | 88A42092 |
| 権利 | Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/370260 |
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