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Direct evidence for a massive galactic halo

Nature volume 303, pages 406–408 (1983)Cite this article

Abstract

Here I report the discovery of a very distant galactic RR Lyrae star, R15. Spectroscopic observations of the object show that it has a high negative radial velocity, implying a lower limit to the mass of the galaxy of 1.4 × 1012 M⊙.

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Authors and Affiliations

  1. Royal Observatory, Blackford Hill, Edinburgh, EH9 3HJ, UK

    M. R. S. Hawkins

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  1. M. R. S. Hawkins
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Hawkins, M. Direct evidence for a massive galactic halo. Nature 303, 406–408 (1983). https://doi.org/10.1038/303406a0

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