期刊
JOURNAL OF PHYSICAL CHEMISTRY A
卷 117, 期 39, 页码 9919-9930出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp400017s
关键词
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资金
- DFG [GO 1927/3-1]
- Gemini Observatory
We report observations and analysis of infrared spectra of H-3(+) and CO lines in the Galactic center, within a few parsecs of the central black hole, Sgr A*. We find a cosmic ray ionization rate typically an order of magnitude higher than outside the Galactic center. Notwithstanding, the elevated cosmic ray ionization rate is 4 orders of magnitude too short to match the proton energy spectrum, as inferred from the recent discovery of the TeV gamma-ray source in the vicinity of Sgr A*.
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