Eta Carinae long-term variability

Details Eta Carinae long-term variability Eta Carinae long-term variability

2010-09-22

arxiv.org/abs/1009.4399v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

2 pages, 1 figure, IAUS 272 - Active OB Stars: Structure, Evolution, Mass Loss and Critical Limits

Scientific paper

We present preliminary results of our analysis on the long-term variations
observed in the optical spectrum of the LBV star Eta Carinae. Based on the
hydrogen line profiles, we conclude that the physical parameters of the primary
star did not change in the last 15 years.

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