Gas pile-up, gap overflow and Type 1.5 migration in circumbinary discs: general theory

• Published in: Monthly notices of the Royal Astronomical Society Vol. 427; no. 3; pp. 2660 - 2679
• Main Authors: Kocsis, Bence, Haiman, Zoltán, Loeb, Abraham
• Format: Journal Article
• Language: English
• Published: Oxford, UK Blackwell Science Ltd 11.12.2012; Oxford University Press
• Subjects: accretion, accretion discs; Astrophysics; Binary system; black hole physics; galaxies: active; Gases; gravitational waves; Star & galaxy formation; gravitational waves; black hole physics; galaxies: active; accretion, accretion discs

Abstract Many astrophysical binaries, from planets to black holes, exert strong torques on their circumbinary accretion discs, and are expected to significantly modify the disc structure. Despite the several decade long history of the subject, the joint evolution of the binary + disc system has not...