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Search for Pulsed High Energy Gamma Radiation from NP 0532

Published online by Cambridge University Press:  07 February 2017

G. Fazio ,
D. Hearn ,
H. Helmken ,
G. Rieke ,
T. Weekes  and
F. Chaffe
G. Fazio
Affiliation:
Smithsonian Astrophysical Observatory, Cambridge, Mass., U.S.A.
D. Hearn
Affiliation:
Smithsonian Astrophysical Observatory, Cambridge, Mass., U.S.A.
H. Helmken
Affiliation:
Smithsonian Astrophysical Observatory, Cambridge, Mass., U.S.A.
G. Rieke
Affiliation:
Smithsonian Astrophysical Observatory, Cambridge, Mass., U.S.A.
T. Weekes
Affiliation:
Smithsonian Astrophysical Observatory, Cambridge, Mass., U.S.A.
F. Chaffe
Affiliation:
Smithsonian Astrophysical Observatory, Cambridge, Mass., U.S.A.

Abstract

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During winter 1969 the 10 m optical reflector at Mt. Hopkins, Arizona, was used to search for periodic gamma ray emission above 1011 eV from NP 0532. Based on predicted optical period and phase, approximately 57 h of data were summed together. No evidence of pulsed radiation was found.

Type
Session 2
Information
Symposium - International Astronomical Union , Volume 46: The Crab Nebula , 1971 , pp. 160 - 161
Copyright
Copyright © Reidel 1971 

References

Fazio, G. G., Hearn, D. R., Helmken, H. F., Rieke, G. H., and Weekes, T. C.: 1970, in Gratton, L., (ed.), ‘Non-Solar X- and Gamma-Ray Astronomy’, IAU Symp. 37, 192.Google Scholar
Horowitz, P. and Papaliolios, C.: 1971, to be published in Nature .Google Scholar