An evolutionary model for the Wolf Rayet nebula NGC 2539

Details An evolutionary model for the Wolf Rayet nebula NGC 2539 An evolutionary model for the Wolf Rayet nebula NGC 2539

Jun 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ap%26ss.216..281m&link_type=abstract

Astrophysics and Space Science, vol. 216, no. 1-2, p. 281-283

Astronomy and Astrophysics

Astrophysics

1

Molecular Clouds, O Stars, Plasma Interactions, Stellar Evolution, Stellar Models, Stellar Winds, Wolf-Rayet Stars, Ejecta, Radiative Transfer, Shock Heating, Stellar Mass Ejection, Supergiant Stars

Scientific paper

The main outer ring of the Wolf-Rayet (WR) nebula NGC 2539 expands radially with velocity approximately = 26 km/s. The dynamics are modelled as the interaction of the winds from the O progenitor and the present WR stage with clumpy molecular cloud material and Red Supergiant ejecta. In both stages, the bubbles are driven by wind momentum. The necessary radiative energy loss probably occurs in boundary layers between cool clumps and hot shocked wind.

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