Terahertz Flares H. S. Hudson SSL, UC Berkeley. SPD May 27, 2008 THz spectrum for solar studies Passbands at 0.2, 0.35, 0.67, 0.86 at best (driest) sites.

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Terahertz Flares H. S. Hudson SSL, UC Berkeley

SPD May 27, 2008 THz spectrum for solar studies Passbands at 0.2, 0.35, 0.67, 0.86 at best (driest) sites Early observations with bolometers Transparency fluctuations and solar variability => need to chop and/or have multiple feeds/panoramic detectors (up to 5 elements thus far)

SPD May 27, 2008 SST, El Leoncito (Argentina) Kaufmann et al. 2008

SPD May 27, 2008 SST, El Leoncito (Argentina) Kaufmann et al. 2008

SPD May 27, 2008 SST, El Leoncito (Argentina) Kaufmann et al. 2008

SPD May 27, 2008 Results and expectations THz component also observed at Gornergrat Physics is not understood. - Gyrosynchrotron radiation from highest energies - Kaufmann proposes coherent mechanism - Thermal processes in chromosphere Observations to date have been extremely primitive, but it is likely that many flares can be observed at THz