Search for the gamma-ray emission from M33 with the Fermi Large Area Telescope
Fu, L.; Xia, Z. Q.; Shen, Z. Q.
2017
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷号471期号:2页码:1737-1742
摘要We searched for the gamma-ray signal from M33, one of the largest galaxies in the Local Group, using the Pass8 data from the Fermi Large Area Telescope (LAT). No statistically significant gamma-ray emission has been detected in the direction of M33, and we report a new upper limit of the high-energy (>100 MeV) photon flux of 2.3 x 10(-9) ph cm(-2) s(-1), which is stricter than previous constraints and implies a cosmic ray density for M33 that is lower than that suggested previously. The current limit is still, however, in agreement with the correlation of star formation rate and gamma-ray luminosity inferred from the Local group galaxies and a few nearby starburst galaxies.
语种英语
文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/17409
专题宇宙伽马暴、中子星及相关物理研究团组
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Fu, L.,Xia, Z. Q.,Shen, Z. Q.. Search for the gamma-ray emission from M33 with the Fermi Large Area Telescope[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2017,471(2):1737-1742.
APA Fu, L.,Xia, Z. Q.,&Shen, Z. Q..(2017).Search for the gamma-ray emission from M33 with the Fermi Large Area Telescope.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,471(2),1737-1742.
MLA Fu, L.,et al."Search for the gamma-ray emission from M33 with the Fermi Large Area Telescope".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 471.2(2017):1737-1742.
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