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Angular size and position of the X-ray source Cyg-X-1

Published online by Cambridge University Press:  14 August 2015

M. Matsuoka ,
S. Miyamoto ,
J. Nishimura ,
M. Oda ,
Y. Ogawara  and
M. Wada
M. Matsuoka
Affiliation:
Institute of Space and Aeronautical Science, University of Tokyo, Tokyo
S. Miyamoto
Affiliation:
Institute of Space and Aeronautical Science, University of Tokyo, Tokyo
J. Nishimura
Affiliation:
Institute of Space and Aeronautical Science, University of Tokyo, Tokyo
M. Oda
Affiliation:
Institute of Space and Aeronautical Science, University of Tokyo, Tokyo
Y. Ogawara
Affiliation:
Institute of Space and Aeronautical Science, University of Tokyo, Tokyo
M. Wada
Affiliation:
Institute of Physical and Chemical Research, Tokyo

Extract

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We performed a couple of balloon experiments to measure the size and the location of Cyg-X-1 using the techniques of the modulation collimator [1]. The angular periods of the modulation collimator were 26′ and 10′ for the respective flights corresponding to the approximate angular resolutions of the size determination and location, 3′ and 1′ respectively. Preliminary results of the experiment with 3′ resolution are reported here.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 37: Non-Solar X- and Gamma-Ray Astronomy , 1970 , pp. 130 - 133
Copyright
Copyright © Reidel 1970 

References

[1] Bradt, H., Garmire, G., Oda, M., Spada, G., and Sreekantan, B. V.: 1968, Space Sci. Rev. 8, 471.CrossRefGoogle Scholar
[2] Giacconi, R., Gorenstein, P., Gursky, H., and Waters, J. R.: 1967, Astrophys. J. 148, L119.Google Scholar