MERLIN & VLA Observations of HI Absorption in M 82

A Pedlar, K A Wills, T W B Muxlow, M Das, Michael Rupen, Jacqueline H van Gorkom, John E Hibbard (Editor)

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


    We present MERLIN and VLA 21 cm observations of atomic hydrogen (HI) absorption seen against the central region of the starburst galaxy M 82. The dynamics and structure of the HI absorbing gas is compared with molecular (CO) and ionised ([Ne II]) gas in M 82 on arcsecond (15 pc) scales. Although we see clear evidence in our HI observations for the CO `expanding superbubble' discussed by Weiss et al. (1999), we note that this feature can also be interpreted in terms of non-circular motions characteristic of gas dynamics in bars.
    Original languageEnglish
    Title of host publicationhost publication
    EditorsJohn E Hibbard
    Publication statusPublished - 2001
    EventGas and Galaxy Evolution -
    Duration: 1 Jan 1824 → …


    ConferenceGas and Galaxy Evolution
    Period1/01/24 → …
    Internet address


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