FU Orionis star winds

Details FU Orionis star winds FU Orionis star winds

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...144...57b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 144, no. 1, March 1985, p. 57-63. Research supported by Steward Observatory; D

Astronomy and Astrophysics

Astrophysics

59

Line Spectra, Pre-Main Sequence Stars, Stellar Spectra, Stellar Winds, Variable Stars, H Alpha Line, Radial Velocity, Stellar Temperature

Scientific paper

The authors present high-quality Hα and NaD line profiles (resolution about 13 km s-1) of four FU Orionis objects. The profiles indicate strong and cool stellar winds, accelerated very close to the stellar surfaces to velocities of several hundred km s-1. An outward increasing temperature in the wind acceleration region is indicated. The derived wind properties are similar to those derived for other young stellar objects, suggesting a common wind acceleration mechanism.

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