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X-ray observations of the Coma and Virgo clusters from Copernicus

Nature volume 250, pages 471–472 (1974)Cite this article

Abstract

THE X-ray sources in both the Virgo and Coma clusters of galaxies are known to be extended. We report here observations to determine the spatial characteristics of each source using the two grazing incidence reflecting telescopes and the collimated proportional counters on board Copernicus1.

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References

  1. Bowles, J. H., Patrick, T. J., Sheather, P. H., and Eiband, A. M., J. Phys. E., 7, 183 (1974).

    Article  ADS  Google Scholar 

  2. Meekins, J. F., Gilbert, F., Chubb, T. A., Friedman, H., and Henry, R. C., Nature, 231, 101 (1971).

    Article  ADS  Google Scholar 

  3. Gursky, H., Kellogg, E., Murray, S., Leong, O., Tananbaum, H., and Giacconi, R., Astrophys. J. Lett., 167, L81 (1971).

    Article  ADS  Google Scholar 

  4. Giacconi, R., Gursky, H., Kellogg, E., Murray, S., Schreier, E., and Tananbaum, H., Astrophys. J., 178, 281 (1972).

    Article  ADS  Google Scholar 

  5. Forman, E., Kellogg, E., Gursky, H., Tananbaum, H., and Giacconi, R., Astrophys. J., 178, 309 (1972).

    Article  ADS  Google Scholar 

  6. Lea, S., Silk, J., Kellogg, E., Murray, S., Astrophys. J. Lett., 184, L105 (1973).

    Article  ADS  Google Scholar 

  7. Gorenstein, P., Bjorkholm, P., Harris, B., and Harndex, F. R. Jun., Astrophys. J. Lett., 183, L57 (1973).

    Article  ADS  Google Scholar 

  8. Fabian, A. C., Zarnecki, J. C., and Culhane, J. L., Nature phys. Sci., 242, 18 (1973).

    Article  ADS  CAS  Google Scholar 

  9. Gott, J. R., III, and Gunn, J. E., Astrophys. J. Lett., 169, L13 (1971).

    Article  ADS  Google Scholar 

  10. Gunn, J. E., and Gott, J. R., III, Astrophys. J., 176, 1 (1972).

    Article  ADS  Google Scholar 

  11. Hunt, R., and Sciama, D. W., Nature, 238, 320 (1972).

    Article  ADS  Google Scholar 

  12. Yahil, A., and Ostriker, J. P., Astrophys. J., 185, 787 (1973).

    Article  ADS  Google Scholar 

  13. Solinger, A. B., and Tucker, W. H., Astrophys. J. Lett., 175, L197 (1972).

    Article  Google Scholar 

  14. Brecher, K., and Burbidge, G. R., Nature, 237, 440 (1972).

    Article  ADS  Google Scholar 

  15. Perola, G. C., and Reinhardt, M., Astr. Astrophys., 17, 432 (1972).

    ADS  Google Scholar 

  16. Bridle, A. H., and Feldman, P. A., Nature phys. Sci., 235, 168 (1972).

    Article  ADS  Google Scholar 

  17. Okoye, S. E., Mon. Not. R. astr. Soc., 160, 339 (1972).

    Article  ADS  Google Scholar 

  18. Lampton, M., Bowyer, S., Mack, J., and Margon, B., Astrophys. J. Lett., 168, L1 (1971).

    Article  ADS  Google Scholar 

  19. Catura, R. C., Fisher, P. C., Johnson, H. M., and Meyerott, A. J., Astrophys. J. Lett., 177, L1 (1972).

    Article  ADS  Google Scholar 

  20. Kellogg, E., Gursky, H., Tananbaum, H., Giacconi, R., and Pounds, K., Astrophys. J. Lett., 174, L65 (1972).

    Article  ADS  Google Scholar 

  21. Gorenstein, P., Harris, B., and Gursky, Astrophys. J. Lett., 172, L41 (1972).

    Article  ADS  CAS  Google Scholar 

  22. Ricketts, M. J., thesis, Univ. Leicester (1973).

  23. Fabian, A. C., Zarnecki, J. C., Culhane, J. L., Hawkins, F. J., Peacock, A., Pounds, J. A., and Parkinson, J. H., Astrophys. J. Lett., 189, L1 (1974).

    Article  Google Scholar 

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Authors and Affiliations

  1. Department of Physics, University of Leicester, UK

    R. E. GRIFFITHS & A. PEACOCK

  2. Mullard Space Science Laboratory, University College, London, UK

    P. J. N. DAVISON & F. ROSENBERG

  3. Institute of Astronomy, Cambridge, UK

    N. C. SMART

Authors
  1. R. E. GRIFFITHS
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  2. A. PEACOCK
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  3. P. J. N. DAVISON
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  4. F. ROSENBERG
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  5. N. C. SMART
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GRIFFITHS, R., PEACOCK, A., DAVISON, P. et al. X-ray observations of the Coma and Virgo clusters from Copernicus. Nature 250, 471–472 (1974). https://doi.org/10.1038/250471a0

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