期刊
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷 337, 期 1, 页码 98-102出版社
OXFORD UNIV PRESS
DOI: 10.1046/j.1365-8711.2002.05892.x
关键词
Galaxy : centre; dark matter
We study annihilation radiation of neutralinos in the Galactic Centre, assuming the existence of a 'spike' in the dark matter density profile, caused by adiabatic accretion on to the massive black hole lying at the Galactic Centre. Under this assumption we find that it is possible to reproduce the observed SgrA* emission at radio and gamma-ray frequencies in a consistent scenario with a magnetic field close to the equipartition strength and with values of gamma (the density profile power-law index) around 0.1.
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