HD 76431 - An evolved hot subdwarf with variable magnetic field?

Details HD 76431 - An evolved hot subdwarf with variable magnetic field? HD 76431 - An evolved hot subdwarf with variable magnetic field?

2011-12-13

arxiv.org/abs/1112.2921v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

6 pages, 5 figures, To appear in ASP Conference Series; Proceedings of the fifth meeting on hot subdwarf stars and related obj

Scientific paper

We measured the magnetic field of the bright, evolved hot subdwarf HD 76431
by means of high-resolution spectropolarimetry. In contrast to previous
measurements we were not able to detect a significant magnetic field. We
discuss the possibility that this field may be variable. Our search for a
possible companion star to HD 76431 led to inconclusive results.

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