First Light with SHAZAM (the Stereoscopic High-speed Zeeman Magnetograph)

Details First Light with SHAZAM (the Stereoscopic High-speed Zeeman Magnetograph) First Light with SHAZAM (the Stereoscopic High-speed Zeeman Magnetograph)

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsh51a1265d&link_type=abstract

American Geophysical Union, Fall Meeting 2009, abstract #SH51A-1265

Astronomy and Astrophysics

Astrophysics

[7524] Solar Physics, Astrophysics, And Astronomy / Magnetic Fields, [7529] Solar Physics, Astrophysics, And Astronomy / Photosphere, [7594] Solar Physics, Astrophysics, And Astronomy / Instruments And Techniques

Scientific paper

The Stereoscopic High-speed Zeeman Magnetograph (SHAZAM) is a visible-light solar magnetograph that is designed to deliver quantitative magnetograms as fast as possible. It uses the principle of "stereoscopic spectroscopy" to extract Zeeman splitting information throughout a 2-D focal plane, from a single six-beam exposure. SHAZAM is capable of operating at or close to the diffraction limit of its host telescope, with exposure times short enough to beat atmospheric seeing and a cadence of 8-10 Hz, fast enough for speckle reconstruction of near-diffraction-limited images. SHAZAM has been deployed at the NSO's Dunn Solar Telescope and is intended to deploy at the 1.0m Swedish Solar Telescope on La Palma and/or the new 1.6m telescope at the Big Bear Solar Observatory. It prototypes a high-speed instrument intended for installation at the planned ATST facility on Maui. We present the motivation, principle of operation, and first-light results from the first six-beam SHAZAM run at the DST in May of 2009.

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