Shock-induced polarized hydrogen emission lines in the Mira star o Ceti
Context. In the spectra of variable pulsating stars, especially Mira stars, the detection of intense hydrogen emission lines has been explained by the presence of a radiative and hypersonic shock wave, periodically propagating throughout the stellar atmosphere. Previous observation of the Mira star o Ceti around one of its brightest maximum light
Fabas, N. et al.
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11
2011