The International Ultraviolet Explorer database has been searched for the FUV spectra of the A stars which are members of the Hyades . Eight out of 16 confirmed members of the Hyades have FUV absolute fluxes obtained with the SWP camera through the large aperture. The observed sharp decrease of the FUV fluxes from spectral type A2 to A9 is essentially a temperature effect. The FUV flux of the A7 IV star HD 28310, a δ Scuti star, is clearly variable.
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Richard Monier (2024) studied this question.
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