Abstract
ON April 15.3 (UT), we attempted to detect optical variations in HZ Herculis corresponding to its 1.2 s X-ray pulsation period. No such variations were observed to a limiting magnitude of 23.5 (modulation 0.01%).
Article PDF
References
Groth, E. J., Yeung, S. Z., Papaliolios, C., Pennypacker, C. R., Spada, G., and Middleditch, J., IAU Circ., No. 2523 (1973).
Strittmatter, P. A., Scott, J. S., Whelan, J. A., Wickramasinghe, D. T., and Woolf, N. J., Astr. Astrophys., 25, 275 (1973).
Cocke, W. J., Astrophys. J. (in the press).
Tsuruta, S., Canuto, V., Lodenquai, J., and Ruderman, M., Astrophys. J., 176, 739 (1972).
Ulmer, M. P., Baity, W. A., Wheaton, W. A., and Peterson, L. E., Astrophysics J. Lett., 181, L33 (1973).
Pringle, J. E., Nature phys. Sci., 243, 90 (1973).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
COCKE, W., HINTZEN, P., SCOTT, J. et al. Optical Pulsations of HZ Herculis. Nature Physical Science 244, 137 (1973). https://doi.org/10.1038/physci244137a0
Received:
Issue Date:
DOI: https://doi.org/10.1038/physci244137a0
This article is cited by
-
Celestial binary X-ray sources
Space Science Reviews (1976)