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À propos de : Hα profile variations in the long-period Cepheid ℓ Carinae        

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  • Hα profile variations in the long-period Cepheid ℓ Carinae
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  • We present Hα spectra of the 35.5 d period Cepheid ℓ Carinae throughout several cycles during 1994 and 1995. A weak Hα emission feature is present at nearly all phases, which is unusual for classical Cepheids. This emission appears both redward and blueward of the absorption feature at different phases.
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