NAOC Open IR  > 射电天文研究部
Low bounds for pulsar gamma-ray radiation altitudes
Lee, K. J.1,2,5,6; Du, Y. J.3; Wang, H. G.4; Qiao, G. J.1,2; Xu, R. X.1,2; Han, J. L.3
2010-07-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume405Issue:3Pages:2103-2112
AbstractThe observational determination of radiation locations can constrain pulsar radiation models. The gamma-B process in a strong magnetic field is one of the fundamental physical processes contributing to pulsar radiation mechanisms. Photons generated near a pulsar surface with sufficient energy will be absorbed in the magnetosphere. Considering aberrational, rotational and general relativistic effects, we calculate the gamma-B optical depth for gamma-ray photons, and we use the derived optical depth to determine the lower bounds of the radiation altitude for photons with given energies. As a case study, we obtain the low bounds of radiation altitude for the Crab pulsar for photons with energies of 5 GeV-1 TeV.
KeywordPulsars: General Gamma-rays: Stars Radiative Transfer
DOI10.1111/j.1365-2966.2010.16600.x
Indexed BySCI
Language英语
WOS IDWOS:000279022900054
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/7760
Collection射电天文研究部
Affiliation1.Peking Univ, Sch Phys, Beijing 100871, Peoples R China
2.Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
3.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
4.Guangzhou Univ, Ctr Astrophys, Guangzhou 510400, Guangdong, Peoples R China
5.Univ Manchester, Sch Phys & Astron, Jodrell Bank, Ctr Astrophys, Manchester M13 9PL, Lancs, England
6.Max Planck Inst Radioastron, D-53121 Bonn, Germany
Recommended Citation
GB/T 7714
Lee, K. J.,Du, Y. J.,Wang, H. G.,et al. Low bounds for pulsar gamma-ray radiation altitudes[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2010,405(3):2103-2112.
APA Lee, K. J.,Du, Y. J.,Wang, H. G.,Qiao, G. J.,Xu, R. X.,&Han, J. L..(2010).Low bounds for pulsar gamma-ray radiation altitudes.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,405(3),2103-2112.
MLA Lee, K. J.,et al."Low bounds for pulsar gamma-ray radiation altitudes".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 405.3(2010):2103-2112.
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