Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002mnras.329..747t&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 329, Issue 4, pp. 747-758.
Astronomy and Astrophysics
Astronomy
13
Galaxies: Ism, Radio Lines: Galaxies, Submillimetre
Scientific paper
We present matched-resolution VLA HI and SCUBA 850-μm maps of 20 IRAS-bright galaxies. Of the galaxies observed, two were not detected in HI and two were detected in absorption. The HI distributions of the galaxies have a range of morphologies. Some of the systems appear HI deficient in the central regions which could be due to a high conversion rate of HI into molecules or HI absorption. In contrast to the HI, the 850-μm emission has a smooth distribution which is concentrated towards the optical centre of each galaxy. We also find evidence for 850-μm emission extending to the periphery of the optical disc in some of the galaxies. Finally, we note that the relative lack of 850-μm emission when compared with HI does not necessarily mean that the atomic gas and dust do not have similar mass distributions.
Alexander Paul
Clemens M. S.
Dunne Loretta.
Eales Stephen
Green David A.
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