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Feedback in W49A diagnosed with radio recombination lines and models

Rugel, M; Rahner, D.; Beuther, H.; Pellegrini, E.; Wang, Y.; Soler, Juan Diego; Ott, Juergen; Brunthaler, A; Anderson, Loren D; Mottram, J.C.; McClure-Griffiths, Naomi


We present images of radio recombination lines (RRLs) at wavelengths around 17 cm from the star-forming region W49A to determine the kinematics of ionized gas in the THOR survey (The H I/OH/Recombination line survey of the inner Milky Way) at an angular resolution of 16.′′8 x 13.′′8. The distribution of ionized gas appears to be affected by feedback processes from the star clusters in W49A. The velocity structure of the RRLs shows a complex behavior with respect to the molecular gas. We find a...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201834068
Access Rights: Open Access


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