NASA NTRS · 19870042237
Persistent emission and bursts from Aquila X-1 observed by Einstein
Abstract
A two-component model is applied to an X-ray outburst from Aql X-1 recorded by the Einstein Observatory in March-April 1979. The model treats such outbursts as a combination of a soft, multicolor component (accretion disk) and a hard-blackbody component (boundary layer emission). Evaluation of the light curves indicates that the bursts were caused by an increase in the accretion rate. The calculations also suggest that the system observed is inclined at a 33 deg angle.
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Czerny, M., Czerny, B., Grindlay, J. E.. 1987-01-01. Persistent emission and bursts from Aquila X-1 observed by Einstein. https://ntrs.nasa.gov/citations/19870042237
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