Submillimeter Imaging of the Spiral Galaxy M51

Details Submillimeter Imaging of the Spiral Galaxy M51 Submillimeter Imaging of the Spiral Galaxy M51

May 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...202.4014b&link_type=abstract

American Astronomical Society Meeting 202, #40.14; Bulletin of the American Astronomical Society, Vol. 35, p.758

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Scientific paper

We present preliminary results of an image of the nearby grand design spiral galaxy M51 using the new Submillimeter High Angular Resolution Camera (SHARC-II) at the Caltech Submillimeter Observatory. The image shows the 350μ m thermal continuum emission from dust. Spiral structure is evident, and provides a determination for the dust temperature as a function of galactocentric radius. The SHARC-II camera is operated in a direct-imaging mode, as opposed to the differential (chopped) mode common to other submillimeter camera. An advantage of the direct-imaging mode is that the maps made are not differential, and so faint, large-scale structure is retained.

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