Gamma-ray emission from globular clusters 2MS-GC01, IC 1257, NGC5904, NGC6656 and FSR1735
Monthly Notices of the Royal Astronomical Society(2015)
摘要
Globular clusters (GCs) are the oldest stellar systems in the Galaxy, in which millisecond pulsars are widely believed to be the only steady γ-ray emitters. So far, nine γ-ray GCs have been identified and a few candidates, such as 2MS-GC01 and IC 1257, have been suggested. In this work, after analysing the publicly available Fermi Large Area Telescope data, we confirm the significant γ-ray emissio...
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关键词
gamma-rays: general,globular clusters: individual: NGC 5904,globular clusters: individual: NGC 6656,globular clusters: individual: FSR 1735,globular clusters: individual: 2MS-GC01,globular clusters: individual: IC 1257
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