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Lambda Eridani star


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A Be star that exhibits photometric or spectroscopic variations (or both) with a period of 0.4–2 days. The periodicity is very pronounced, and in some cases the light-curve exhibits two minima per cycle. The cause of the variation is unknown, but may arise from non-uniform surface brightness or from a form of pulsation.

Subjects: Astronomy and Astrophysics.


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