Largescale High Velocity Motions in the Vicinity of R136

Details Largescale High Velocity Motions in the Vicinity of R136 Largescale High Velocity Motions in the Vicinity of R136

Jul 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981mnras.196p..19m&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 196, P. 19P, 1981

Astronomy and Astrophysics

Astronomy

38

Scientific paper

One hundred and fifteen profiles of the Hα emission line have been obtained for every 5.63 arcsec (≡ 1.5 pc) element along a 10.8 arcmin long line (≡ 172 pc) through the very luminous stellar-like object R136 in the core of the 30 Doradus nebula in the Large Magellanic Cloud.
Extensive sheets of ionized gas have been discovered over a range of heliocentric radial velocity from 80 to 450 km s-1. Moreover, systematic trends in these motions indicate that at least one large cavity with flowing walls could be present. This must be driven by the energetic wind (and radiation pressure?) from R136 and/or successive supernova explosions in this vicinity. Evidence is also presented which illustrates that these localised high velocity motions are superimposed on the large scale motions of the interstellar material of the LMC.

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