Continuum intensity of magnetic flux concentrations - Are magnetic elements bright points?

Details Continuum intensity of magnetic flux concentrations - Are magnetic elements bright points? Continuum intensity of magnetic flux concentrations - Are magnetic elements bright points?

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...192..338s&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 192, no. 1-2, March 1988, p. 338-342.

Astronomy and Astrophysics

Astrophysics

43

Continuous Spectra, Faculae, Flux Density, Magnetic Flux, Solar Magnetic Field, Solar Spectra, Coronal Loops, Photosphere, Temperature Dependence

Scientific paper

The authors use the weakening of temperature sensitive spectral lines (Fe I λ5250.2 and λ5247.1) in a strong plage region to derive a lower limit (≈1.4 of the quiet photospheric value) for the continuum intensity in magnetic flux concentrations. This suggests an identification of magnetic elements with the observed photospheric bright points. The authors discuss the implications of this result for the quantitative determination of magnetic flux and propose a procedure for obtaining information on the physical structure of the non-magnetic surroundings of flux concentrations.

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