Abstract Optical radiation is emitted from an accretion disk which is irradiated by X-rays. In the outer part the disk is heated mainly by X-rays, and its scale height is greater than that without X-ray heating. Hence the outer region in which X-ray heating is dominant gives a main contribution to optical emission. Since the temperature in this region is several times 104 K, optical emission is roughly explained by the Rayleigh-Jeans law. When the X-ray source emits an X-ray burst, the disk also emits an optical burst with some time delay. This explains the time profile of an optical burst with respect to that of an X-ray burst, as observed for MXB 1636 - 536.


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    Titel :

    Optical bursts from X-ray irradiated accretion disk


    Beteiligte:
    Hayakawa, S. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 1 , 13 ; 149-152


    Erscheinungsdatum :

    1981-01-01


    Format / Umfang :

    4 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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