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Balloon Observations of a New-born X-Ray Source

  • R. M. Thomas (a1), G. Buselli (a1), M. C. Clancy (a1) and P. J. N. Davison (a1)


Conner et al. have reported the sudden emergence of a strong X-ray source at 3-12 keV in a position well removed from any previously known X-ray source. This source has been confirmed by Kitamura et al. We wish to report the results of an attempt to detect the source during a balloon flight made from Mildura, Australia, on 1969 August 25.



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1 Conner, J. P., Evans, W. D. and Belian, R. D., IAU Astrogram, Los Alamos Scientific Laboratory preprint, LA-DC-10737 (1969).
2 Kitamura, T., Matsuoka, M., Miyamoto, S., Nakagawa, M., Oda, M., Ogawara, Y. and Takagishi, K., Nature, 224, 784 (1969).
3 Harries, J., McCracken, K. G., Francey, R. J. and Fenton, A. G., Nature, 215, No. 5096, 38 (1967).
4 Edwards, P. J., Proc. ASA, 1, 290 (1969).
5 Chodil, G., Mark, H., Rodrigues, R. and Swift, C. D., Ap. J., 152, L45 (1968).
6 Lewin, W. H. G., Clark, G. W. and Smith, W. B., Nature, 219, No. 5160,


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