Astrophysics and Space Science

, Volume 69, Issue 1, pp 115–125 | Cite as

Some secondary indications of gravitational collapse

  • D. K. Nadyozhin
Article

Abstract

A stellar core becomes somewhat less massive due to neutrinos radiated away during its collapse in a neutron star or a black hole. The paper deals with the hydrodynamic motion of stellar envelope induced by such a mass loss. Depending on the structure of the outer stellar layers, the motion results either in ejection of an envelope with mass and energy proper for Nova outbursts; or nearly instantaneous excitation of strong pulsations of the star; or lastly in a slow slipping away of the whole stellar envelope. These phenomena are of importance when more powerful events, like supernova outbursts presumably associated with gravitational collapse, are absent. Such secondary indications of gravitational collapse are of special interest, since they may be a single observable manifestation (besides neutrinos and gravitational waves) of massive black hole formation.

Keywords

Black Hole Neutron Star Gravitational Wave Gravitational Collapse Powerful Event 

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Copyright information

© D. Reidel Publishing Co. 1980

Authors and Affiliations

  • D. K. Nadyozhin
    • 1
  1. 1.Institute of Theoretical and Experimental PhysicsMoscowU.S.S.R.

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