TL;DR
This paper proposes a new interpretation of superhumps as resulting from variable irradiation-induced mass outflow, leading to enhanced energy dissipation, and provides qualitative insights into their periods and variations.
Contribution
It introduces a novel explanation for superhumps based on irradiation effects and mass outflow modulation, differing from previous models.
Findings
Superhumps are caused by variable irradiation of secondary stars.
Mass outflow is strongly modulated by irradiation effects.
Superhump periods and their variations are qualitatively explained.
Abstract
Observational evidence is presented for periodically variable irradiation of secondary components. This results in strongly modulated mass outflow. Superhumps are then due to enhanced dissipation of the kinetic energy of the stream. Qualitative interpretation of superhump periods and their variations is also presented.
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Taxonomy
TopicsNuclear reactor physics and engineering · Rocket and propulsion systems research