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Further simultaneous hard X-ray and optical observations of Sco X-1

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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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References

  1. Oda, M., and Matsuoka, M., Progr. Elementary Particle Cosmic Ray Phys., 10, 303 (1971).

    CAS  Google Scholar 

  2. 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).

    Article  ADS  Google Scholar 

  3. 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).

    Article  ADS  Google Scholar 

  4. Hudson, H. S., Peterson, L. E., and Schwartz, D. A., Astrophys. J. Lett., 159, L51 (1970).

    Article  ADS  Google Scholar 

  5. Evans, W. D., Belian, R. D., Strong, I. B., and Kunkel, W. E., Astrophys. J. Lett., 162, L115 (1970).

    Article  ADS  Google Scholar 

  6. 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).

    Article  ADS  Google Scholar 

  7. Loh, E. D., and Garmire, G. P., Astrophys. J., 166, 301 (1971).

    Article  ADS  CAS  Google Scholar 

  8. Felten, J. E., and Rees, M. J., Astro. Astrophys., 17, 226 (1972).

    ADS  Google Scholar 

  9. Illarionov, A. F., and Syunyaev, R. A., Astr. J. (Moscow), 46, 58 (1972).

    ADS  Google Scholar 

  10. Miyamoto, S., Ogawara, Y., Matsuoka, M., and Oda, M., Space Research, 13, 851 (1973).

    ADS  Google Scholar 

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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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This article is cited by

  • Sco X-1

    • Senori Miyamoto
    • Masaru Matsuoka

    Space Science Reviews (1977)

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