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Bursting neutron stars: Spectral for...

Shaposhnikov, Nickolai.

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Bursting neutron stars: Spectral formation theory and its application to mass and radius determination.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Bursting neutron stars: Spectral formation theory and its application to mass and radius determination./
作者:	Shaposhnikov, Nickolai.
面頁冊數:	142 p.
附註:	Source: Dissertation Abstracts International, Volume: 65-03, Section: B, page: 1366.
Contained By:	Dissertation Abstracts International65-03B.
標題:	Physics, Astronomy and Astrophysics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3126355
ISBN:	0496736411

Bursting neutron stars: Spectral formation theory and its application to mass and radius determination.
Shaposhnikov, Nickolai.

Bursting neutron stars: Spectral formation theory and its application to mass and radius determination. - 142 p.

Source: Dissertation Abstracts International, Volume: 65-03, Section: B, page: 1366.

Thesis (Ph.D.)--George Mason University, 2004.

The processes of spectral formation in the atmosphere of neutron star during Type I X-ray burst is considered in detail. Separate treatment is presented for expansion and decay stages. Special effort is made to develop self-consistent models, applicable for data analysis. All crucial physical factors are accounted for including Comptonization, free-free absorption and emission. Newton gravity is assumed. Analytical expressions are provided for color temperature hardening/softening factors. Spectral shapes are presented as functions of input parameters, i.e. neutron star mass and radius, chemical conmposition of an atmosphere and source distance. Models are applied to observational data in order to constrain neutron star mass-radius relation. X-ray burst data for bursters 4U 1728--34, 4U 1820--30, Cygnus X-2, EXO 0748--676 and GS 1826--24 collected by Rossi X-ray Timing Explorer is used.

ISBN: 0496736411Subjects--Topical Terms:

1019521
Physics, Astronomy and Astrophysics.

Bursting neutron stars: Spectral formation theory and its application to mass and radius determination.
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500 $a Director: Lev Titarchuk.
502 $a Thesis (Ph.D.)--George Mason University, 2004.
520 $a The processes of spectral formation in the atmosphere of neutron star during Type I X-ray burst is considered in detail. Separate treatment is presented for expansion and decay stages. Special effort is made to develop self-consistent models, applicable for data analysis. All crucial physical factors are accounted for including Comptonization, free-free absorption and emission. Newton gravity is assumed. Analytical expressions are provided for color temperature hardening/softening factors. Spectral shapes are presented as functions of input parameters, i.e. neutron star mass and radius, chemical conmposition of an atmosphere and source distance. Models are applied to observational data in order to constrain neutron star mass-radius relation. X-ray burst data for bursters 4U 1728--34, 4U 1820--30, Cygnus X-2, EXO 0748--676 and GS 1826--24 collected by Rossi X-ray Timing Explorer is used.
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