Long-term magnetic field monitoring of the Sun-like star Ksi Bootis A - INSPIRE

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Long-term magnetic field monitoring of the Sun-like star Ksi Bootis A

Dec, 2010

6 pages

Part of Proceedings, Cool Stars 16: 16th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun : Seattle, Washington, August 29-September 2, 2010, 1203

Published in:

ASP Conf.Ser. 448 (2012) 1203

Contribution to:

- Cool Stars 16
, 1203

Published: 2012

e-Print:

1012.0198 [astro-ph.SR]

View in:

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Abstract: (Astronomical Society of the Pacific)

Phase-resolved observations of the solar-type star &zi; Bootis A were obtained using the NARVAL spectropolarimeter at the Telescope Bernard Lyot (Pic du Midi, France) during years 2007, 2008, 2009 and 2010. The data sets enable us to study both the rotational modulation and the long-term evolution of various magnetic and activity tracers. Here, we focus on the large-scale photospheric magnetic field (reconstructed by Zeeman-Doppler Imaging), the Zeeman broadening of the FeI 846.84 nm magnetic line, and the chromospheric CaII H and Hα emission.

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