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Evidence for extended IR emission in NGC2798 and NGC6240Extended emission at 10 and 20 microns can be used to distinguish starbursts from monsters as the underlying energy source driving the luminous infrared emission in the central regions of galaxies. The spatial extent of the mid infrared emission in the interacting galaxy NCG 2798 and the merger NGC 6240 were investigated. The 10 and 20 micron profiles of the IR source in NGC 2798 are significantly wider than beam profiles measured on a standard star, supporting a starburst interpretation of its IR luminosity. For NGC 6240 there is marginal evidence for an extended 10 micron source, suggesting that a significant fraction of its IR luminosity could be produced by a burst of star formation.
Document ID
19870014935
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Wright, G. S. (Imperial Coll. of Science and Technology London, United Kingdom)
Joseph, R. D. (Imperial Coll. of Science and Technology London, United Kingdom)
James, P. A. (Imperial Coll. of Science and Technology London, United Kingdom)
Robertson, N. A. (Imperial Coll. of Science and Technology London, United Kingdom)
Date Acquired
September 5, 2013
Publication Date
May 1, 1987
Publication Information
Publication: NASA, Washington Star Formation in Galaxies
Subject Category
Space Radiation
Accession Number
87N24368
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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