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Surface Composition of Neutron Stars that are Accreting Matter

Published online by Cambridge University Press:  07 February 2017

S. Tsuruta ,
R. Ramaty  and
G. Börner
S. Tsuruta
Affiliation:
NASA, Goddard Space Flight Center, U.S.A.
R. Ramaty
Affiliation:
NASA, Goddard Space Flight Center, U.S.A.
G. Börner
Affiliation:
NASA, Goddard Space Flight Center, U.S.A.

Abstract

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Surface composition of a neutron star in the absence of accretion is pure iron (Tsuruta, 1964). We considered two cases of accretion. (a) The accretion of inter-stellar matter: Here we expect the presence of a significant amount of various elements between proton and iron, though iron is still the most dominant. (b) The accretion as the energy source of an X-ray source in a binary system. Here it is most likely that the incoming flux is sufficiently high (non-steady state) and protons accumulate on the accreting region of the surface.

Type
Part III: Accretion of Matter and X-Ray Sources
Information
Symposium - International Astronomical Union , Volume 64: Gravitational Radiation and Gravitational Collapse , 1974 , pp. 186
Copyright
Copyright © Reidel 1974 

References

Tsuruta, S.: 1964, Ph.D. Thesis, Columbia University.Google Scholar