NAOC Open IR
Scintillation Dynamic Spectra and Transverse Velocities ofSeven Pulsars
RNManchester1; Aili Yusup2; Wang Na2; Wu Xinji3; Jin Zhang2; Zhang Hongbo2
2001
Source PublicationChinese Journal of Astronomy and Astrophysics
ISSN1009-9271
Volume1Issue:5Pages:421
AbstractUsing a pulsar timing system developed at Urumqi Astronomical Observatory's 25-m telescope, we observed scintillation dynamic spectra for seven pulsars at the relatively high frequency of 1540 MHz over a wide frequency band of 320 MHz. Averaging observations at different epochs, we obtain time scales and decorrelation bandwidths for diffractive scintillation and show that these imply a power-law index for the electron density fluctuation close to 4.0. Assuming this value and that the scattering disk is approximately midway between the pulsar and the earth, we complete transverse velocities for the seven pulsars. These values are generally in good agreement with the proper motion velocities.
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/52939
Collection中国科学院国家天文台
Affiliation1.Australia Telescope National Facility
2.中国科学院国家天文台
3.北京大学
Recommended Citation
GB/T 7714
RNManchester,Aili Yusup,Wang Na,et al. Scintillation Dynamic Spectra and Transverse Velocities ofSeven Pulsars[J]. Chinese Journal of Astronomy and Astrophysics,2001,1(5):421.
APA RNManchester,Aili Yusup,Wang Na,Wu Xinji,Jin Zhang,&Zhang Hongbo.(2001).Scintillation Dynamic Spectra and Transverse Velocities ofSeven Pulsars.Chinese Journal of Astronomy and Astrophysics,1(5),421.
MLA RNManchester,et al."Scintillation Dynamic Spectra and Transverse Velocities ofSeven Pulsars".Chinese Journal of Astronomy and Astrophysics 1.5(2001):421.
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