The extremely rapid rotational braking of the magnetic helium-strong star HD 37776
- Z. Mikulášek
- J. Krtička
- G. W. Henry
- J. Zverko
- J. Žižňovský
- D. Bohlender
- I. I. Romanyuk
- J. Janík
- H. Božić
- D. Korčáková
- M. Zejda
- I. Kh. Iliev
- P. Škoda
- M. Šlechta
- T. Gráf
- M. Netolický
- M. Ceniga
DOIAbstract
Context. Light and spectrum variations of the magnetic chemically peculiar (mCP) stars are explained by the oblique rigid rotator model with a rotation period usually assumed to be stable on a long time scale. A few exceptions, such as CU Vir or 56 Ari, have been reported as displaying an increase in their rotation period. A possible increase in the period of light and spectrum variations has also been suggested from observations of the helium-strong mCP star HD 3777
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