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タイトルThe relation between the bolometric flux and the blackbody temperature at the peak of type II bursts from the Rapid Burster
著者(英)Van Paradijs, Jan; Lewin, Walter H. G.; Mitsuda, Kazuhisa; Lubin, Lori M.; Magnier, Eugene; Van Der Klis, Michiel; Oosterbroek, Tim; Dotani, Tadayasu
著者所属(英)NASA Marshall Space Flight Center; NASA Headquarters
発行日1992-06-15
言語eng
内容記述During about 6 hr of Ginga observations of the Rapid Burster in August 1988, the source emitted type II bursts with durations between about 3 and about 35 s and with peak fluxes which varied by factors of about 5. The Rapid Burster was active in two bursting modes as defined by Marshall et al. (1979): mode I characterize by a burst energy distribution which is 'double-peaked' and mode II by a distribution which is 'single-peaked'. A study of the relationship between the maximum bolometric burst flux, F(max), and the associated blackbody temperature, Tc, shows that mode I bursts consistently show higher Tc values than bursts of mode II. These results, together with previous work, suggest that the relation between F(max) and Tc is dependent on mode. In mode I the color temperature is approximately independent of the burst peak flux, whereas in mode II the two properties are correlated.
NASA分類ASTROPHYSICS
レポートNO92A43580
権利Copyright


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