Electron temperatures in the Galactic HII regions W43 and M17

Details Electron temperatures in the Galactic HII regions W43 and M17 Electron temperatures in the Galactic HII regions W43 and M17

Jul 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996mnras.281..239s&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 281, Issue 1, pp. 239-244.

Astronomy and Astrophysics

Astronomy

18

Hii Regions, Ism: Individual: M17, Ism: Individual: W43, Radio Continuum: Ism

Scientific paper

We present 1.2-arcmin resolution images of the Galactic HII regions W43 and M17 made with the Very Large Array (VLA) at a frequency of 330 MHz; these are the highest resolution images to date of the large-scale structures of these complexes at any frequency. The electron temperature towards the component of W43 that has the highest emission measure, G30.8-0.0, is 5410+/-300K. The electron temperatures towards the components of M17, G15.0-0.7 and G15.1-0.7, are 7600^+700-210 and 8000^+450-220 K respectively. These estimates are consistent with previous estimates based on radio recombination line and continuum observations of these HII regions.

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