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Infrared and X-Ray Variability of Cyg X-3

Published online by Cambridge University Press:  14 August 2015

C. G. Wynn-Williams
C. G. Wynn-Williams*
Affiliation:
California Institute of Technology, Pasadena, Calif., U.S.A.

Abstract

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The 2.2 µm flux from the infrared counterpart of Cygnus X-3 has been found to vary in phase with the X-ray flux with a 4.8 h period. The infrared observations imply a radius ~ 1 R⊙ for the X-ray object and do not favor models involving a compact object such as a neutron star or a black hole.

Type
Part 4: Stellar and Circumstellar Sources
Information
Symposium - International Astronomical Union , Volume 60: Galactic Radio Astronomy , 1974 , pp. 407 - 409
Copyright
Copyright © Reidel 1974 

References

Becklin, E. E., Neugebauer, G., Hawkins, F. J., Mason, K. O., Sanford, P. W., Matthews, K., and Wynn-Williams, C. G.: 1973, Nature 245, 302.Google Scholar
Braes, L. L. E., Miley, G. K., Shane, W. W., Baars, J. W. M., and Goss, W. M.: 1973, Nature Phys. Sci. 242, 66.CrossRefGoogle Scholar