Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.173..171k&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 173, no. 2, Nov. 1990, p. 171-189.
Astronomy and Astrophysics
Astrophysics
3
Black Body Radiation, Bremsstrahlung, Type 2 Bursts, X Ray Spectra, Photosphere, Spectrum Analysis, Stochastic Processes, Temporal Distribution
Scientific paper
Six of the eight X-ray bursts from the Rapid Burster (RB) which were detected by the Astron mission on April 13 and 28, and on August 16, 1983, are noted to have been trailing bursts exhibiting spectral softening during the burst decay. It is suggested that these may be related to type I bursts. The spectral evolution of two trailing bursts was investigated by fitting their spectra in consecutive time intervals with the blackbody model, the isothermal scattering photosphere (SP) model, and the thermal bremsstrahlung model (TM). While the SP model is the best fit around the burst maxima, the TB model is generally superior around the burst tails.
Kaminker A. D.
Kurt Victoria G.
Pavlov George G.
Shafer Iu. E.
Shibanov Iu. A.
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