Abstract
THREE sightings of the faint X-ray source 3U0405 + 10 with the Ariel V sky survey instrument have produced an improved position, with the error box now containing Abell 478. This distance class 6 Abell cluster is the most distant X-ray source yet detected. It has a (2–20 keV) X-ray luminosity of (5.4±1.1) × 1045 erg s−1.
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References
Giacconi, R., et al., Astrophys. J. Suppl., 27, 37 (1974).
Bahcall, J. N., and Bahcall, N. A., Astrophys. J. Lett., 199, L89 (1975).
Abell, G. O., Astrophys. J. Suppl., 3, 211 (1958).
Solinger, A., and Tucker, W., Astrophys. J. Lett., 175, L107 (1972).
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ELVIS, M., COOKE, B., POUNDS, K. et al. Abell 478 and X-ray source 3U0405 + 10. Nature 257, 33–34 (1975). https://doi.org/10.1038/257033a0
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DOI: https://doi.org/10.1038/257033a0
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