31 lines
1.9 KiB
Markdown
31 lines
1.9 KiB
Markdown
---
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title: "Accretion disk"
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chunk: 4/4
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source: "https://en.wikipedia.org/wiki/Accretion_disk"
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category: "reference"
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tags: "science, encyclopedia"
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date_saved: "2026-05-05T13:31:43.355727+00:00"
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instance: "kb-cron"
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---
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== Decretion disk ==
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The opposite of an accretion disk is an decretion disk where instead of material accreting from a disk on to a central object, material is excreted from the center outward onto the disk. They are formed from matter ejected from a star, and are often assosicated with Be stars.
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== See also ==
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== Notes ==
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== References ==
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== Further reading ==
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Frank, Juhan; Andrew King; Derek Raine (2002), Accretion power in astrophysics (Third ed.), Cambridge University Press, ISBN 978-0-521-62957-7
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Krolik, Julian H. (1999), Active Galactic Nuclei, Princeton University Press, ISBN 978-0-691-01151-6
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Blaes, Omer (2014). "General Overview of Black Hole Accretion Theory". Space Science Reviews. 183 (1–4): 21–41. arXiv:1304.4879. Bibcode:2014SSRv..183...21B. doi:10.1007/s11214-013-9985-6. A modern review focused on models for turbulence required by alpha process.
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Abramowicz, M.A. (December 22, 2005). "Super-Eddington Black Hole Accretion:: Polish Doughnuts and Slim Disks". In Merloni, Andrea; Nayakshin, Sergei; Sunyaev, Rashid A. (eds.). Growing Black Holes: Accretion in a Cosmological Context. Berlin, Heidelberg: Springer Berlin Heidelberg. pp. 257–273. doi:10.1007/11403913_49. ISBN 978-3-540-25275-7. Retrieved 2026-04-13. Review with a good introduction to the topic.
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== External links ==
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Professor John F. Hawley homepage, University of Virginia (archived 2015)
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The Dynamical Structure of Nonradiative Black Hole Accretion Flows, John F. Hawley and Steven A. Balbus, 2002 March 19, The Astrophysical Journal, 573:738-748, 2002 July 10
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Accretion discs, Scholarpedia
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Merali, Zeeya (21 June 2006). "Magnetic fields snare black holes' food". New Scientist. |