Abstract
THE optical and X-ray emissions from Sco X-1 are thought to come from a hot plasma as small as or smaller than a white dwarf1, but the energy source and the time variations of the radiation are not understood.
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Oda, M., and Matsuoka, M., Progr. Elementary Particle Cosmic Ray Phys., 10, 303 (1971).
Matsuoka, M., Fujii, M., Miyamoto, S., Nishimura, J., Oda, M., Ogawara, Y., Ohta, S., Hayakawa, S., Kasahara, I., Makino, F., Tanaka, Y., Agrawal, P. C., Sreekantan, B. V., Hatanaka, Y., and Sreedhar Rao, S., Nature phys. Sci., 236, 53 (1972).
Matsuoka, M., Fujii, M., Miyamoto, S., Nishimura, J., Oda, M., Ogawara, Y., Hayakawa, S., Kasahara, I., Makino, F., Tanaka, Y., Agrawal, P. C., and Sreekantan, B. V., Astrophys. Space Sci., 18, 472 (1972).
Hudson, H. S., Peterson, L. E., and Schwartz, D. A., Astrophys. J. Lett., 159, L51 (1970).
Evans, W. D., Belian, R. D., Strong, I. B., and Kunkel, W. E., Astrophys. J. Lett., 162, L115 (1970).
Canizares, C. R., Clark, G. W., Lewin, W. H. G., Schnopper, H. W., Sprott, G. F., Hjellming, R. M., and Wade, C. M., Astrophys. J. Lett., 179, L1 (1973).
Loh, E. D., and Garmire, G. P., Astrophys. J., 166, 301 (1971).
Felten, J. E., and Rees, M. J., Astro. Astrophys., 17, 226 (1972).
Illarionov, A. F., and Syunyaev, R. A., Astr. J. (Moscow), 46, 58 (1972).
Miyamoto, S., Ogawara, Y., Matsuoka, M., and Oda, M., Space Research, 13, 851 (1973).
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MATSUOKA, M., MIYAMOTO, S., NISHIMURA, J. et al. Further simultaneous hard X-ray and optical observations of Sco X-1. Nature 250, 38–40 (1974). https://doi.org/10.1038/250038a0
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DOI: https://doi.org/10.1038/250038a0
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Space Science Reviews (1977)