On steady-state nuclear burning in accreting neutron stars |
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Authors: | Ronald E Taam |
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Institution: | (1) Department of Physics and Astronomy, Northwestern University, Evanston, Ill., USA |
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Abstract: | The properties of the hydrogen burning shell in the envelope of an accreting neutron star have been studied for a range of mass accretion rates, neutron star radii, and metal abundances of the accreted matter. It is found that the hydrogen burning shells lie at densities ranging from 105–6×106 gm cm–3. For mass accretion rates in excess ofM
c2 hydrogen and helium burn together. ForM
c1 M M
c2, the hydrogen burning shell is stabilized by the limited CNO cycle. Implications of these results to the X-ray burst phenomena are briefly discussed. |
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