Discrete subresolution structures in the solar transition zone

Details Discrete subresolution structures in the solar transition zone Discrete subresolution structures in the solar transition zone

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987soph..114..223d&link_type=abstract

Solar Physics (ISSN 0038-0938), vol. 114, no. 2, 1987, p. 223-237.

Physics

63

Line Spectra, Solar Prominences, Solar Spectra, Ultraviolet Spectra, Carbon, Gregorian Antennas, High Resolution, Spaceborne Telescopes, Spacelab Payloads

Scientific paper

During operations on the Spacelab-2 Shuttle mission, the NRL High Resolution Telescope and Spectrograph (HRTS) recorded spectra of a variety of solar features in the 1200 - 1700 Å wavelength region which contains spectral lines and continua well suited for investigating the temperature minimum, the chromosphere and transition zone. These data show that, at the highest spatial resolution, the transition zone spectra are broken up from a continuous intensity distribution along the slit into discrete emission elements. If these structures are modelled as an ensemble of subresolution filaments, one finds that these filaments have typical radii of from 3 to 30 km and that the cross-sectional fill factor is in the range from 10-5 to 10-2.

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