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The velocity and composition of supernova ejectaIn case of the Gum nebula, a pulsar - a presumed neutron star - is believed to be a relic of the supernova explosion. Regardless of the mechanism of the explosion, the velocity distribution and composition of the ejected matter will be roughly the same. The reimploding mass fraction is presumed to be neutron rich. The final composition is thought to be roughly 1/3 iron and 2/3 silicon, with many small fractions of elements from helium to iron. The termination of helium shell burning occurs because the shell is expanded and cooled by radiation stress. The mass fraction of the helium burning shell was calculated.
Document ID
Document Type
Conference Paper
Colgate, S. A. (New Mexico Inst. of Mining and Technology Socorro, NM, United States)
Date Acquired
August 6, 2013
Publication Date
September 1, 1971
Publication Information
Publication: NASA. Goddard Space Flight Center The Gum Nebula and Related Probl.
Subject Category
Distribution Limits
Work of the US Gov. Public Use Permitted.

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IDRelationTitle19720004101Analytic PrimaryThe Gum nebula and related problems