The New Solar Telescope in Big Bear

Details The New Solar Telescope in Big Bear The New Solar Telescope in Big Bear

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011spd....42.0601g&link_type=abstract

American Astronomical Society, SPD meeting #42, #6.01; Bulletin of the American Astronomical Society, Vol. 43, 2011

Physics

Optics

Scientific paper

The 1.6 m clear aperture, off-axis solar telescope (the "NST") in Big Bear Lake enjoyed first light in January 2009. In the Summer of 2009, high resolution, speckle corrected observations were made in TiO and Halpha. In the Summer of 2010, adaptive optics were implemented and the first magnetograms were obtained. The NST is first new U.S. facility class solar telescope in a generation. The NST has an off-axis Gregorian configuration consisting of a parabolic primary, heat-stop, elliptical secondary and diagonal flats. The focal ratio of the primary mirror is f/2.4, and the final ratio is f/50. The working wavelength range covers from 0.4 to 1.7 microns in the Coude Lab beneath the telescope and all wavelengths including the far infrared before the entrance window to the Coude Lab.
Observational results will be introduced including revealing granular-scale chromospheric jets with their origin in the dark intergranular lanes, revealing bright lanes in granules, demonstration of equipartition between photospheric magnetic fields and plasma flow, and some unexpected results in the evolution of bright points.

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