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

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)

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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.

Original language	English
Title of host publication	host publication
Editors	John E Hibbard
Volume	240
Publication status	Published - 2001
Event	Gas and Galaxy Evolution - Duration: 1 Jan 1824 → … http://adsabs.harvard.edu/abs/2001ASPC..240..402P

Conference

Conference	Gas and Galaxy Evolution
Period	1/01/24 → …
Internet address	http://adsabs.harvard.edu/abs/2001ASPC..240..402P

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@inproceedings{1589fc16d70645cd83e0b43d89e58ed1,

title = "MERLIN & VLA Observations of HI Absorption in M 82",

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.",

author = "A Pedlar and Wills, {K A} and Muxlow, {T W B} and M Das and Michael Rupen and {van Gorkom}, {Jacqueline H} and Hibbard, {John E}",

year = "2001",

language = "English",

volume = "240",

editor = "Hibbard, {John E}",

booktitle = "host publication",

note = "Gas and Galaxy Evolution ; Conference date: 01-01-1824",

url = "http://adsabs.harvard.edu/abs/2001ASPC..240..402P",

}

TY - GEN

T1 - MERLIN & VLA Observations of HI Absorption in M 82

AU - Pedlar, A

AU - Wills, K A

AU - Muxlow, T W B

AU - Das, M

AU - Rupen, Michael

AU - van Gorkom, Jacqueline H

A2 - Hibbard, John E

PY - 2001

Y1 - 2001

N2 - 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.

AB - 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.

M3 - Conference contribution

VL - 240

BT - host publication

T2 - Gas and Galaxy Evolution

Y2 - 1 January 1824

ER -

MERLIN & VLA Observations of HI Absorption in M 82

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