Auvby? survey for Ca II emission stars

6533b81ffe1ef96bd1276f5c

RESEARCH PRODUCT

Auvby? survey for Ca II emission stars

subject

Physics Stars Space and Planetary Science Observatory Metallicity Stellar rotation Astronomy Astronomy and Astrophysics Emission spectrum Astrophysics Astronomical spectroscopy

description

During the last two years auvbyβ photometric survey of 85 Ca II emission stars from the Mount Wilson program on stellar activity has been carried out at the Calar Alto Observatory (Almeria, Spain). We present preliminary results for theuvby and β calibrations. Some stars displaying anomalousc1 andm1 indices, with photometric or spectroscopic data from previous studies, are reported. A reddening study for the complete sample is given.

year	journal	country	edition	language
1990-08-01	Astrophysics and Space Science

https://doi.org/10.1007/bf00652652

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