Broadband microwave imaging spectroscopy with a solar-dedicated array

Tim S. Bastian; Dale E. Gary; S. M. White; Gordon J. Hurford

doi:10.1117/12.317414

31 July 1998 Broadband microwave imaging spectroscopy with a solar-dedicated array

Tim S. Bastian, Dale E. Gary, S. M. White, Gordon J. Hurford

Proceedings Volume 3357, Advanced Technology MMW, Radio, and Terahertz Telescopes; (1998) https://doi.org/10.1117/12.317414
Event: Astronomical Telescopes and Instrumentation, 1998, Kona, HI, United States

Abstract

For many years, ground-based radio observations of the Sun have proceeded into two directions: (1) high resolution imaging at a few discrete wavelengths; (2) spectroscopy with limited or no spatial resolution at centimeter, decimeter, and meter wavelengths. Full exploitation of the radio spectrum to measure coronal magnetic fields in both quiescent active regions and flares, to probe the thermal structure of the solar atmosphere, and to study energy release and particle energization in transient events, requires a solar-dedicated, frequency-agile solar radiotelescope, capable of high-time, - spatial, and -spectral resolution imaging spectroscopy. In this paper we summarize the science program and instrument requirements for such a telescope, and present a strawman interferometric array composed of many (greater than 40), small (2 m) antenna elements, each equipped with a frequency- agile receiver operating over the range 1 - 26.5 GHz.

Citation Download Citation

Tim S. Bastian, Dale E. Gary, S. M. White, and Gordon J. Hurford "Broadband microwave imaging spectroscopy with a solar-dedicated array", Proc. SPIE 3357, Advanced Technology MMW, Radio, and Terahertz Telescopes, (31 July 1998); https://doi.org/10.1117/12.317414

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