An Alternative to Spinning Dust for the Microwave Emission of LPH 201.663+1.643

Details An Alternative to Spinning Dust for the Microwave Emission of LPH 201.663+1.643 An Alternative to Spinning Dust for the Microwave Emission of LPH 201.663+1.643

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...19915503m&link_type=abstract

American Astronomical Society, 199th AAS Meeting, #155.03; Bulletin of the American Astronomical Society, Vol. 34, p.561

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Scientific paper

The microwave spectral energy distribution of the dusty, diffuse H II region LPH 201.663 has been interpreted by others as tentative evidence for microwave emission from spinning dust grains. We present an alternative interpretation for that particular object; specifically, that an ultracompact H II region embedded within the dust cloud would explain the available observations as well or better than the spinning dust hypothesis. Parameters for the size, surface brightness, and flux density of the putative ultracompact H II region, derived from the microwave observations, are not outside known ranges. Furthermore, a likely candidate for such an ultracompact H II region is IRAS 06337+1051, based upon its infrared colors.

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