Multi-wavelength observing of a forming solar-like star

Details Multi-wavelength observing of a forming solar-like star Multi-wavelength observing of a forming solar-like star

2009-06-26

arxiv.org/abs/0906.4880v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

4 pages, proceedings of the 3rd MSSL workshop on High Resolution X-ray Spectroscopy: towards IXO

Scientific paper

V2129 Oph is a 1.35 solar mass classical T Tauri star, known to possess a strong and complex magnetic field. By extrapolating from an observationally derived magnetic surface map, obtained through Zeeman-Doppler imaging, models of V2129 Oph's corona have been constructed, and used to make predictions regarding the global X-ray emission measure, the amount of modulation of X-ray emission, and the density of accretion shocks. In late June 2009 we will under take an ambitious multi-wavelength, multi-observing site, and near contemporaneous campaign, combining spectroscopic optical, nIR, UV, X-ray, spectropolarimetric and photometric monitoring. This will allow the validity of the 3D field topologies derived via field extrapolation to be determined.

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