Letter | Published:

Neutral Hydrogen in the Virgo Cluster

Nature volume 199, pages 11761177 (21 September 1963) | Download Citation

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Abstract

NEUTRAL hydrogen has recently been detected in absorption in the Virgo cluster of galaxies by measurements of the spectrum of the radio source Virgo A (M87). The observations were made using the Australian 210-ft. radio telescope and a parametric frequency-switching receiver1.

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Author information

Affiliations

  1. C.S.I.R.O., Radiophysics Laboratory, Sydney.

    • B. J. ROBINSON
    • , K. J. VAN DAMME
    •  & J. A. KOEHLER

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https://doi.org/10.1038/1991176a0

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