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Dawes Review 6: The Impact of Companions on Stellar Evolution
De Marco, Orsola; Izzard, Robert G.
AA(Department of Physics & Astronomy, Macquarie University, Sydney, NSW 2109, Australia; Astronomy, Astrophysics and Astrophotonics Research Centre, Macquarie University, Sydney, NSW 2109, Australia), AB(Institute of Astronomy, University of Cambridge, Cambridge, CB3 0HA, UK)
Publications of the Astronomical Society of Australia, Volume 34, id.e001 35 pp. (PASA Homepage)
Publication Date:
Astronomy Keywords:
stars: binaries: close, stars: evolution, ISM: jets and outflows, methods: numerical, surveys
Abstract Copyright:
2017: Astronomical Society of Australia
Bibliographic Code:


Astrophysicists are increasingly taking into account the effects of orbiting companions on stellar evolution. New discoveries have underlined the role of binary star interactions in a range of astrophysical events, including some that were previously interpreted as being due uniquely to single stellar evolution. We review classical binary phenomena, such as type Ia supernovae, and discuss new phenomena, such as intermediate luminosity transients, gravitational wave-producing double black holes, and the interaction between stars and their planets. Finally, we reassess well-known phenomena, such as luminous blue variables, in light of interpretations that include both single and binary stars. At the same time we contextualise the new discoveries within the framework of binary stellar evolution. The last decade has seen a revival in stellar astrophysics as the complexity of stellar observations is increasingly interpreted with an interplay of single and binary scenarios. The next decade, with the advent of massive projects such as the Square Kilometre Array, the James Webb Space Telescope, and increasingly sophisticated computational methods, will see the birth of an expanded framework of stellar evolution that will have repercussions in many other areas of astrophysics such as galactic evolution and nucleosynthesis.
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