| タイトル | Nuclear gamma rays from compact objects |
| 著者（英） | Lingenfelter, R. E.; Higdon, J. C.; Ramaty, R. |
| 著者所属（英） | NASA Goddard Space Flight Center |
| 発行日 | 1978-08-01 |
| 言語 | eng |
| 内容記述 | Accreting compact objects may be important gamma ray line sources and may explain recent observations of celestial gamma-ray line emission from a transient source in the direction of the galactic anti-center, from the galactic center, and possibly from the radio galaxy Centaurus A. The identification of the lines from the transient source requires a strong redshift. Such a redshift permits the identification of these lines with the most intense nuclear emission lines expected in nature, positron annihilation, and neutron capture on hydrogen and iron. Their production as a result of nuclear interactions in accreting gas around a neutron star is proposed. The gamma-ray line emission from the galactic center and possibly Centaurus A appears to have a surprisingly high luminosity, amounting to perhaps as much as 10% of the total luminosity of these sources. Such high gamma-ray line emission efficiencies could result from nuclear interactions in accreting gas around a massive black hole. |
| NASA分類 | SPACE RADIATION |
| レポートNO | 78N31984 |
| 権利 | No Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/435184 |
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