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Coronae of Cool Stars
Published online by Cambridge University Press: 26 May 2016
Abstract
We present preliminary results of grating observations of YY Mensae and V824 Arae by Chandra and XMM-Newton. Spectral features are presented in the context of the emission measure distributions, the coronal abundances, and plasma electron densities. In particular, we observe a coronal N/C enhancement in YY Men believed to reflect the photospheric composition (CN cycle). Finally, we interpret line broadening in YY Men as Doppler thermal broadening in its very hot corona.
- Type
- Part 5: Stellar Magnetic Activity and Evolution
- Information
- Symposium - International Astronomical Union , Volume 219: Stars as Suns : Activity, Evolution and Planets , 2004 , pp. 243 - 248
- Copyright
- Copyright © Astronomical Society of the Pacific 2004
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