Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...198..683m&link_type=abstract
Astrophysical Journal, vol. 198, June 15, 1975, pt. 1, p. 683-685.
Astronomy and Astrophysics
Astrophysics
12
Astronomical Models, Ion Motion, Neutron Stars, Pulsars, Stellar Winds, Abundance, Chemical Composition, Mass Flow Rate, Stellar Rotation, Stellar Structure, Surface Properties
Scientific paper
The question is examined of whether enough ions are available from the surface of a neutron star to produce the relativistic stellar winds from pulsars. The total mass loss of a pulsar from the time of its formation at a certain rotational frequency to the time of its present rotational frequency is calculated, and the ion loss rate is estimated from the current flow through the pulsar. The ion loss rate is found to be compatible with both the total number of helium ions estimated by Rosen and Cameron (1972) to be available and the observed distribution of pulsar periods and ages. It is concluded that adequate helium is probably available on rotating magnetized neutron stars to supply their stellar winds for a considerable amount of time.
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