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| Paper: |
MERLIN & VLA Observations of HI Absorption in M 82 |
| Volume: |
240, Gas and Galaxy Evolution: A Conference in Honor of the 20th Anniversary of the VLA |
| Page: |
402 |
| Authors: |
Pedlar, A.; Wills, K. A.; Muxlow, T. W. B.; Das, M. |
| Abstract: |
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. |
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