Hydrogen and Helium Abundances in Neutron-Star Atmospheres

Details Hydrogen and Helium Abundances in Neutron-Star Atmospheres Hydrogen and Helium Abundances in Neutron-Star Atmospheres

May 1968

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1968ap%26ss...1..372r&link_type=abstract

Astrophysics and Space Science, Volume 1, Issue 3, pp.372-387

Astronomy and Astrophysics

Astrophysics

14

Scientific paper

An analysis is presented of the burning and diffusion of hydrogen and helium in a neutron-star atmosphere. An initial two-component atmosphere of hydrogen and carbon and of helium and carbon is examined utilizing various photospheric temperatures. The hydrogen burns through the proton-proton reaction and the CN-cycle and the helium by the triple-alpha process and alpha capture on carbon. It is found that only a negligible proportion of hydrogen or helium can exist after a few years in the neutron-star atmosphere.

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