Light variations and angular momentum loss from the He-strong magnetic chemically peculiar star HD 37776
Zdenek Mikulasek, Jiri Krticka, Juraj Zverko, Jozef Ziznovsky, Jan Janik
Abstract
We present a principle component analysis of multicolour light variations of the He-strong magnetic chemically peculiar star HD 37776 and its (O-C) diagram. The period increase rate found, (dP/dt) / P = 5.5 x 10-6/year, is consistent with the conception of angular momentum loss through magnetically confined stellar wind.
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