Two-Component Model for the Interstellar Scattering along the Line of Sight to the Pulsar PSR B0136＋57

A rigorous treatment of the refractive scintillation caused by a two-component interstellar scattering medium and a Kolmogorov form of density spectrum is discussed. It is assumed that the interstellar scattering medium is composed of a thin screen ISM and an extended interstellar medium. We conclud...

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Bibliographic Details
Published inChinese physics letters Vol. 26; no. 12; pp. 261 - 264
Main Author 周爱芝 谭金玉 艾力·伊沙木丁 吴鑫基
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.12.2009
Subjects
Density
Flux
Flux density
Interstellar
Line of sight
Pulsars
Scattering
Scintillation
双组分
折射闪烁
散射介质
散射模型
星际介质
脉冲星
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Summary:A rigorous treatment of the refractive scintillation caused by a two-component interstellar scattering medium and a Kolmogorov form of density spectrum is discussed. It is assumed that the interstellar scattering medium is composed of a thin screen ISM and an extended interstellar medium. We conclude that the refractive scintillation caused by this two-component ISM scattering gives a more satisfactory explanation for the observed flux density variation than the single extended medium model along the line of sight to the pulsar PSR B0136＋57.
Bibliography:11-1959/O4
P155.22
TN957.52
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/26/12/129701