Nova outbursts in the case of 'mild hibernation'

Details Nova outbursts in the case of 'mild hibernation' Nova outbursts in the case of 'mild hibernation'

Feb 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...325..282l&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 325, Feb. 1, 1988, p. 282-287.

Astronomy and Astrophysics

Astrophysics

13

Novae, Nuclear Reactions, Stellar Mass Accretion, Light Curve, Stellar Models, White Dwarf Stars

Scientific paper

The necessary conditions for the production of strong thermonuclear runaways in the "hibernation" scenario are identified and explored. It is found that a reduction in the accretion rate by a factor of about 100, for a period longer than a few thousand years, is generally sufficient to ensure nova-type outbursts, even in the presence of rather high preoutburst accretion rates. Nova outbursts can be obtained under "mild hibernation" conditions on 1 M_sun; white dwarfs as well as on very massive ones. A reduction in the accretion rate by a factor of 10 only is insufficient to produce a nova outburst, if the preoutburst accretion rate is as high as 10-8M_sun;yr-1.

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