The imaging capabilities of the Frequency Agile Solar Radiotelescope

Stephen M. White, Jeongwoo Lee, Markus J. Aschwanden, Timothy S. Bastian

Research output: Contribution to journalConference articlepeer-review

6 Scopus citations


The Frequency Agile Solar Radiotelescope (FASR) will observe the Sun over a wide range of radio frequencies and make high spatial resolution images at many frequencies nearly simultaneously. FASR will need to be able to observe both the very bright, usually compact emission from solar flares as well as much fainter fluctuations in the solar chromosphere across a broad range of spatial scales (from 1 arcsec to 1 degree) at high time resolution, and these constraints impose severe requirements on telescope design. We discuss the problem of imaging the Sun at radio wavelengths and present simulations of imaging the thermal free-free emission from the Sun's atmosphere using models based on EUV data.

Original languageEnglish (US)
Pages (from-to)531-541
Number of pages11
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 2002
EventInnovative Telescopes and Instrumentation for Solar Astrophysics - Waikoloa, HI, United States
Duration: Aug 24 2002Aug 28 2002

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


  • Radio telescopes
  • Solar radio astronomy


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