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High Energy Radiation from Spider Pulsars

by 1,* and 2
Department of Astronomy and Space Science, Chungnam National University, Daejeon 34134, Korea
Institute of Astronomy, National Tsing Hua University, Hsinchu 30013, Taiwan
Author to whom correspondence should be addressed.
Galaxies 2019, 7(4), 93;
Received: 30 June 2019 / Revised: 27 November 2019 / Accepted: 4 December 2019 / Published: 13 December 2019
(This article belongs to the Special Issue Observations of Gamma-Ray Pulsars)
The population of millisecond pulsars (MSPs) has been expanded considerably in the last decade. Not only is their number increasing, but also various classes of them have been revealed. Among different classes of MSPs, the behaviours of black widows and redbacks are particularly interesting. These systems consist of an MSP and a low-mass companion star in compact binaries with an orbital period of less than a day. In this article, we give an overview of the high energy nature of these two classes of MSPs. Updated catalogues of black widows and redbacks are presented and their X-ray/ γ -ray properties are reviewed. Besides the overview, using the most updated eight-year Fermi Large Area Telescope point source catalog, we have compared the γ -ray properties of these two MSP classes. The results suggest that the X-rays and γ -rays observed from these MSPs originate from different mechanisms. Lastly, we will also mention the future prospects of studying these spider pulsars with the novel methodologies as well as upcoming observing facilities. View Full-Text
Keywords: pulsars; neutron stars; binaries; X-ray; γ-ray pulsars; neutron stars; binaries; X-ray; γ-ray
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MDPI and ACS Style

Hui, C.Y.; Li, K.L. High Energy Radiation from Spider Pulsars. Galaxies 2019, 7, 93.

AMA Style

Hui CY, Li KL. High Energy Radiation from Spider Pulsars. Galaxies. 2019; 7(4):93.

Chicago/Turabian Style

Hui, Chung Y.; Li, Kwan L. 2019. "High Energy Radiation from Spider Pulsars" Galaxies 7, no. 4: 93.

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