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Accurate Position of GX5–1 from Lunar Occultations

An Erratum to this article was published on 07 September 1973

Abstract

HERE we report the first observations of a lunar occultation of an X-ray source using detectors on board an Earth satellite. The source GX5–1 has now been located with an error box (95% confidence) of 6 × 20 arc s. A 2σ upper limit of 8 arc s has been put on the source diameter.

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HOFFMAN, J., DAVISON, P. & MORRISON, L. Accurate Position of GX5–1 from Lunar Occultations. Nature 244, 347–349 (1973). https://doi.org/10.1038/244347a0

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