TitleStarburst evolution: free-free absorption in the radio spectra of luminous IRAS galaxies
AuthorsClemens, M. S.; Scaife, A.; Vega, O.; Bressan, A.
AbstractWe describe radio observations at 244 and 610MHz of a sample of 20 luminous and ultra-luminous IRAS galaxies. These are a subset of a sample of 31 objects that have well-measured radio spectra up to at least 23GHz. The radio spectra of these objects below 1.4GHz show a great variety of forms and are rarely a simple power-law extrapolation of the synchrotron spectra at higher frequencies. Most objects of this class ha ...
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