Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...125..280d&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 125, no. 2, Sept. 1983, p. 280-286.
Astronomy and Astrophysics
Astrophysics
21
Faculae, Magnetic Flux, Photosphere, Solar Magnetic Field, Solar Spectra, Spectroheliographs, Abundance, Astronomical Maps, Calcium, H Alpha Line, High Resolution, Iron, Isophotes, Spectral Resolution
Scientific paper
The authors studied a typical quiet sun magnetic network element. Without introducing any correction, high spatial resolution spectra (=0arcsec.75) of two iron lines, simultaneous Ca II K and white-light slit-jaw pictures as well as spectroheliograms in Hα and Mgb1 - 0.4 Å of a typical quiet region of the solar photosphere were analyzed in order: 1. to map the intensity, the velocity field and the magnetic field of a typical element of this region; 2. to study the underlying solar granulation, which seems to have a lower contrast; 3. to get from Hα filtergrams the fibril structure around the rosette. Finally the authors give an estimate of the magnetic flux of a large region of the quiet sun.
Dara-Papamargaritis H.
Koutchmy Serge
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