Multisite, multiwavelength studies of the active cool binary CC Eri

Budding, E., Bembrick, C., Carter, B.D., Erkan, N., Jardine, M., Marsden, S.C., Osten, R., Petit, P., Semel, M., Slee, O.B., and Waite, I. (2006) Multisite, multiwavelength studies of the active cool binary CC Eri. Astrophysics and Space Science, 304 (1-4). pp. 13-16.

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Abstract

New data acquired on the active, cool binary CC Eri ranged across the spectrum from Chandra X-ray to broadband photometry and microwave observations using the VLA and ATCA. Also, high-dispersion spectropolarimetry using the AAT enabled Zeeman-Doppler imaging to be performed. Our interpretations infer strong localised concentrations of the stellar magnetic field, manifested by surface activity and related large coronal plasma structures. Comprehensive matching of the modelling parameters awaits more detailed investigation.

This brief interim review includes consideration of the ATCA data. Microwave radio emission is usually low level ('quiescent'), but occasionally flares of several mJy peak intensity are observed. We associate the emission, generally, with wave-like mechanisms, expanding through the outer atmosphere. Related characteristics of this emission are discussed.

Item ID: 16701
Item Type: Article (Refereed Research - C1)
Keywords: stars: activity, stars: coronae, stars: individual: CC Eri, radio continuum: stars, techniques: miscellaneous
ISSN: 1572-946X
Date Deposited: 13 Jul 2011 07:09
FoR Codes: 02 PHYSICAL SCIENCES > 0201 Astronomical and Space Sciences > 020110 Stellar Astronomy and Planetary Systems @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100%
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