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Radio Recombination Lines from Starburst Galaxies: High and Low Density Ionized Gas
Published online by Cambridge University Press: 26 May 2016
Abstract
Radio recombination lines (RRL) at 8 GHz and 15 GHz detected from four starburst galaxies are shown to arise in compact high density HII regions, which are undetectable below ∼4 GHz. Detection of an RRL at 1.4 GHz towards one galaxy and upper limits in the other three are consistent with the presence of an equal amount of low density diffuse gas. Continuum flux density measurements using the GMRT will be important in constraining the properties of the diffuse gas.
- Type
- Part 4: Extragalactic Radio Sources
- Information
- Symposium - International Astronomical Union , Volume 199: The Universe at Low Radio Frequencies , 2002 , pp. 243 - 244
- Copyright
- Copyright © Astronomical Society of the Pacific 2002