Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ap%26ss.328..325o&link_type=abstract
Astrophysics and Space Science, Volume 328, Issue 1-2, pp. 325-329
Astronomy and Astrophysics
Astrophysics
Magneto-Optical Filter, Solar Oscillations
Scientific paper
VAMOS is a Magneto-Optical Filter (MOF) that can acquire nearly simultaneous Dopplergrams and magnetograms with high cadence in the K I 7699 Å line. We performed an accurate set-up of this instrument in view of its use for studying oscillations in solar magnetic regions. The optimal set-up for VAMOS was achieved and an extra result of the spectral transmission measurements was found. The MOF and Wing Selector (WS) bandpasses depend not only on the cell temperature and magnetic field but also on the radiation intensity entering the cell, when this radiation exceeds a suitable level. We call this effect The Intensity Effect.
Esposito Giampiero
Oliviero Maurizio
Severino Giuseppe
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