Computer Science
Scientific paper
Nov 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992esasp.348..141l&link_type=abstract
In ESA, Proceedings of the First SOHO Workshop: Coronal Streamers, Coronal Loops, and Coronal and Solar Wind Composition p 141-1
Computer Science
Chromosphere, Radio Observation, Solar Corona, Solar Corpuscular Radiation, Wavelengths, Coronal Loops, Maps, Neutral Sheets, Photosphere, Solar Magnetic Field, Space Observations (From Earth)
Scientific paper
Maps obtained at meter and decimeter wavelengths with the Nancay radioheliograph on 24/25 Oct. 1987 are presented. One of the meter wavelength emission sources is located above a chromospheric magnetic field neutral line and a small H alpha prominence. The source has decimeter wavelength counterparts on both sides of the neutral line. The decimeter sources are close to regions of enhanced large scale photospheric magnetic field, while the meter wavelength source is located in between. This suggests emissions at different altitudes in a loop system straddling the neutral line. The region corresponds to a Fe XIV coronal streamer seen during the eastern limb passage. The distance between the footpoints is of the order of 370,000 km and the angle between the loops and the neutral line is about 50 deg, projected on a synoptic chart.
Alissandrakis Constantine E.
Lantos Pierre
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