Abstract
FURTHER to our observations of OH in the edge-on spiral galaxies NGC253 and NGC4945 (ref. 1), we now report the detection of H2CO absorption in both galaxies—the first evidence of this molecule in external galaxies.
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Whiteoak, J. B., and Gardner, F. F., Astrophys. Lett. (in the press).
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GARDNER, F., WHITEOAK, J. Physical Sciences: Detection of formaldehyde in external galaxies. Nature 247, 526–527 (1974). https://doi.org/10.1038/247526a0
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DOI: https://doi.org/10.1038/247526a0
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