Abstract
It is shown that published optical data on γ Cas may be interpreted as indicating the presence of a neutron star companion rotating with a period of ∼0.7 d and in a ∼6.8 yr orbit.
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References
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Corbet, R.H.D. Is X0053+604 (=γ Cas) the slowest known X-ray pulsator?. Astrophys Space Sci 117, 407–409 (1985). https://doi.org/10.1007/BF00650166
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DOI: https://doi.org/10.1007/BF00650166