Pre-conditions for disc-generated FU Orionis outbursts

Details Pre-conditions for disc-generated FU Orionis outbursts Pre-conditions for disc-generated FU Orionis outbursts

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.242..439c&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 242, Feb. 1, 1990, p. 439-446. Research supported by NA

Astronomy and Astrophysics

Astronomy

65

Accretion Disks, Stellar Evolution, Stellar Spectrophotometry, T Tauri Stars, Light Curve, Orion Constellation, Stellar Luminosity

Scientific paper

The condition in which a protostellar disk must be set up in order to generate FU Ori outbursts is examined. It is found that FU Ori behavior can be produced by perturbation of a low-accretion-rate disk around a normal T Tau star. Suitable perturbations involve a substantial surface-density enhancement and heating to about 10,000 K of the inner disk.

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