Observation System of Solar Flare Telescope

Details Observation System of Solar Flare Telescope Observation System of Solar Flare Telescope

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997pkas...12...35p&link_type=abstract

Publications of the Korean Astronomical Society, vol.12, no.1, p.35-45

Astronomy and Astrophysics

Astronomy

5

Scientific paper

SOFT(Solar Flare Telescope) installed at BOAO(Bohyunsan Optical Astronomy Observatory) is purposed for observing solar active regions using four refractors on a single mount with a 400" x 300" field of view: Two refractors with a diameter of 15cm(f15) observe the white light and Hα, and the other two refractors with a diameter of 20cm(f8) observe the magnetic field distribution and Doppler shifts at the solar chromosphere. Three Lyot filters, one of the most important observational instruments, are installed on the optical rails for VMG, LMG, and Hα that possible to very narrow pass band observation under high precision stability of temperature. From the combination of KD*P and quarter wave plate in the Lyot filter possible observe the magnetic fields strength and doppler shifts by using the characteristics of polarization components. In this paper, we introduce the basic characteristics, optical system, and monitor system of the SOFT.

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