Proposal for a real 3D solar spectrum telescope

Details Proposal for a real 3D solar spectrum telescope Proposal for a real 3D solar spectrum telescope

Mar 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006pnaoc...3...35q&link_type=abstract

Astronomical Research and Technology. Publications of National Astronomical Observatories of China (ISSN 1672-7673), Vol. 3, No.

Astronomy and Astrophysics

Astronomy

Solar Activities, Telescopes, Spectral Lines

Scientific paper

The concept of a new type of the solar optical telescope is proposed that can record simultaneously the two dimensional dispersions (3D spectrum) of observed regions on the solar disk, i.e. a series of synchronous narrow-bandpass spectral images. It can allow us to do detailed spectral analysis while being able to own a super high temporal resolution, say, tens of milliseconds. Such a telescope can be formed with an array of sub-telescopes in each of which an image of the observed area is recorded at the different designed bandpass within one interested line, and the collection of these bandpasses spreads and covers the whole spectral band of an interesting spectral line. It can be suitable to diagnose the three-component velocity fields of mass flows, and obtain the ability to reconstruct three dimensional (3D) structure of solar active region (say, solar flaring region) in the opaque lower atmosphere. The advantage of constructing such a telescope lies in that each sub-telescope can be constructed as an etalon. Finally comparison with ATST (Advanced Technology Solar Telescope) is stated.

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