Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...239...65l&link_type=abstract
Astrophysical Journal, Part 1, vol. 239, July 1, 1980, p. 65-73.
Astronomy and Astrophysics
Astrophysics
27
Gas Dynamics, Magellanic Clouds, Nebulae, Stellar Winds, Fabry-Perot Interferometers, Flow Velocity, H Ii Regions, Interstellar Gas
Scientific paper
A large bubble-like H II region in the Large Magellanic Cloud, N51D is shown to have internal motions of about 30 km/s but structure that is more complex than that expected for an expanding spherical shell. It is proposed that the motions are mainly driven by supersonic stellar winds from early-type stars in the central cluster, NGC 1955, and that the departures from spherical symmetry arise from interactions with a nonuniform component of the interstellar medium.
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