Letter | Published:

Abell 478 and X-ray source 3U0405 + 10

Naturevolume 257pages3334 (1975) | Download Citation



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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  1. 1

    Giacconi, R., et al., Astrophys. J. Suppl., 27, 37 (1974).

  2. 2

    Bahcall, J. N., and Bahcall, N. A., Astrophys. J. Lett., 199, L89 (1975).

  3. 3

    Abell, G. O., Astrophys. J. Suppl., 3, 211 (1958).

  4. 4

    Solinger, A., and Tucker, W., Astrophys. J. Lett., 175, L107 (1972).

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  1. X-ray Astronomy Group, Department of Physics, University of Leicester, Leicester, UK

    • M. ELVIS
    • , B. A. COOKE
    • , K. A. POUNDS
    •  & M. J. L. TURNER


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