The extraordinary mass-loss bubble G2.4 + 1.4 and its central star

Astronomy and Astrophysics – Astrophysics

Scientific paper

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H Ii Regions, Planetary Nebulae, Stellar Mass Ejection, Wolf-Rayet Stars, Stellar Spectrophotometry, Supernova Remnants

Scientific paper

Data are presented on the WR 102 star and the surrounding nebula (G2.4 + 1.4). It is shown that WR 102 and the nebula are associated, the nebula being a mass-loss bubble powered by the central star. From a photoionization analysis of the surrounding nebula, the star was determined to have the following parameters: log T(ion) = 5.20 + or - 0.05; log (R/solar R) = about 0.05; and log (L/solar L) = 5.85 + or - 0.20.

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