Effects of Dust in Distorted, Irradiated, and Expanding Atmospheres of Close Binary Components

Rao Mynampati Srinivasa

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Effects of Dust in Distorted, Irradiated, and Expanding Atmospheres of Close Binary Components

机译：粉尘在二元紧密组分的畸变，辐射和膨胀气氛中的作用

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Westudiedthetransferoflineradiationwithdustindistortedandexpandingatmospheresofclosebinarycomponents.Weassumedthatthedistortionoftheatmosphereiscausedbyselfrotationandatidalforceexertedbythepresenceofasecondarycomponent.Aseventhdegreeequationisdefinedtodescribethedistortedsurfaceforuniformrotation.Theequationoflinetransferinthepresenceofgasanddustissolvedinthecomovingframeoftheexpandingatmosphereoftheprimarycomponentinabinarysystem.Wehaveconsideredacompleteredistributionofphotonsinthelineandthatdustscattersradiationisotropically.Weusedalinearlawofvelocityofexpansionsothatthedensityvariesas$$r^{-3}$$,where$$r$$istheradiusofthestar,satisfyingthelawofconservationofmass.Wenoticedthatconsiderablechangesoccurinlinefluxesindustyanddust-freeatmospheres.Theexpansionoftheatmosphereproducesdouble-peakemissionlineswithPCygnicharacteristics.Theseemissionpeaksarereducedinadustyatmosphere.

机译：Westudiedthetransferoflineradiationwithdustindistortedandexpandingatmospheresofclosebinarycomponents.Weassumedthatthedistortionoftheatmosphereiscausedbyselfrotationandatidalforceexertedbythepresenceofasecondarycomponent.Aseventhdegreeequationisdefinedtodescribethedistortedsurfaceforuniformrotation.Theequationoflinetransferinthepresenceofgasanddustissolvedinthecomovingframeoftheexpandingatmosphereoftheprimarycomponentinabinarysystem.Wehaveconsideredacompleteredistributionofphotonsinthelineandthatdustscattersradiationisotropically.Weusedalinearlawofvelocityofexpansionsothatthedensityvariesas $$ R 1 { - 3} $$，其中$$ř$$ istheradiusofthestar，satisfyingthelawofconservationofmass.Wenoticedthatconsiderablechangesoccurinlinefluxesindustyanddust-freeatmospheres.Theexpansionoftheatmosphereproducesdouble-peakemissionlineswithPCygnicharacteristics.Theseemissionpeaksarereducedinadustyatmosphere。

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《PASJ: Publications of the Astronomical Society of Japan》 |2003年第6期|共页
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Rao Mynampati Srinivasa;
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Effects of Dust in Distorted, Irradiated, and Expanding Atmospheres of Close Binary Components

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