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Record 20 of 22
Accretion disc flows around FU Orionis stars
Author and Affiliation:
Clarke, C. J.(Lick Observatory, Santa Cruz, CA, United States)
Lin, D. N. C.(Lick Observatory, Santa Cruz, CA, United States)
Papaloizou, J. C. B.(Queen Mary College, London, United Kingdom)
Abstract: The accretion disk model of FU Orionis systems in outburst is investigated by examining the time-dependent behavior of a disk around a low-mass protostar that accretes at 0.00001-0.0001 solar masses/yr. It is found that the disk may be stabilized against the thermal ionization instability by the effect of advective heat transport and that it may therefore exist in the quasi-steady-state observed in post-outburst FU Orionis systems. The disk models are used to discuss the cosmochemical consequences of possible FU Ori events during the evolution of the primordial solar nebula.
Publication Date: Jan 15, 1989
Document ID:
19890040647
(Acquired Nov 28, 1995)
Accession Number: 89A28018
Subject Category: ASTROPHYSICS
Document Type: Journal Article
Publication Information: Royal Astronomical Society, Monthly Notices (ISSN 0035-8711); 236; 495-503
Publisher Information: United Kingdom
Contract/Grant/Task Num: NSF AST-83-01229
Financial Sponsor: NASA; United States
Organization Source: Lick Observatory; Santa Cruz, CA, United States
London Univ.
Description: 9p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: ACCRETION DISKS; EARLY STARS; PRE-MAIN SEQUENCE STARS; STELLAR MASS ACCRETION; STELLAR SPECTROPHOTOMETRY; HEAT TRANSFER; IONIZATION; PROTOSTARS; THERMAL STABILITY; TIME DEPENDENCE
Imprint And Other Notes: Royal Astronomical Society, Monthly Notices (ISSN 0035-8711), vol. 236, Jan. 15, 1989, p. 495-503. Research sponsored by NASA.
Miscellaneous Notes: Research sponsored by NASA
Availability Source: Other Sources
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