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Observations of Anomalous Microwave Emission from HII Regions

Dickinson, Clive

In this brief review, I give a summary of the observations of Anomalous Microwave Emission (AME) from HII regions. AME has been detected in, or in the vicinity of, HII regions. Given the difficulties in measuring accurate SEDs over a wide range of frequencies and in complex environments, many of these detections require more data to confirm them a…

Investigating the Source of Planck-Detected AME: High-Resolution Observations at 15 GHz

Grainge, Keith J. B.; Hurley-Walker, Natasha; Scaife, Anna M. M. +1 more

The Planck 28.5 GHz maps were searched for potential Anomalous Microwave Emission (AME) regions on the scale of $\sim3^{\circ}$ or smaller, and several new regions of interest were selected. Ancillary data at both lower and higher frequencies were used to construct spectral energy distributions (SEDs), which seem to confirm an excess consistent wi…