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On the maximum luminosity in X-ray burstsA qualitative model is proposed which relates the burst behavior of 1608-52 observed by Murakami et al (1980) to the composition of the envelope in which the X-ray bursts occur. The model provides an explanation for the large scatter in the peak fluxes when the accretion rate is high. A flux would be transported outward at the top of the convective region which equals 1.5 to 2 times the Eddington limit appropriate to a helium-rich gas. Upon traversing the outer part of the accreted layer, which is not affected by the nuclear processes and is therefore hydrogen-rich, this flux is about a factor of 3 to 4 higher than the local value of the Eddington luminosity.
Document ID
19810062175
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Van Paradijs, J.
(Amsterdam, Universiteit Amsterdam, Netherlands; MIT, Cambridge, MA, United States)
Date Acquired
August 11, 2013
Publication Date
August 1, 1981
Publication Information
Publication: Astronomy and Astrophysics
Volume: 101
Issue: 2, Au
Subject Category
Astrophysics
Accession Number
81A46579
Funding Number(s)
CONTRACT_GRANT: NAS5-24441
Distribution Limits
Public
Copyright
Other

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