Abstract
The radio source G227.1 + 1.0 (ref. 1) was observed in a search for young galactic supernova remnants, and its peculiar structure indicated that it might be a very young remnant. Chanan et al.2, however, have recently found a bright optical object with z = 0.073 close to the radio centre, which represents strong circumstantial evidence that the source is in fact a radio galaxy. Here we present a neutral hydrogen absorption profile observed with the Very Large Array (VLA) which confirms the extragalactic nature of this object.
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References
Green, D. A. & Gull, S. F. Nature 312, 527–529 (1984).
Chanan, G. A., Helfand, D. J., Spinrad, H. & Ebneter, K. Nature 320, 41–42 (1986).
Weaver, H. & Williams, D. R. W. Astr. Astrophys. Suppl. 1, 1–503 (1973).
van Breugel, W. J. M. & Fomalont, E. B. Astrophys. J. 282, L55–L58 (1984).
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Green, D., Gull, S. Neutral hydrogen absorption towards G227.1 + 1.0. Nature 320, 42–43 (1986). https://doi.org/10.1038/320042a0
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DOI: https://doi.org/10.1038/320042a0
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