Spectral line radiation from solar small-scale flux tubes. II

Details Spectral line radiation from solar small-scale flux tubes. II Spectral line radiation from solar small-scale flux tubes. II

Apr 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...332.1064h&link_type=abstract

Astronomy and Astrophysics, v.332, p.1064-1068 (1998)

Astronomy and Astrophysics

Astrophysics

7

Sun: Magnetic Fields, Sun: Photosphere

Scientific paper

We examine spectral line radiation from small-scale magnetic flux tubes in the solar atmosphere. This is a continuation of work by Kneer et al. (1996). The main difference with the previous investigation is in the choice of the external atmosphere. Earlier we adopted an atmosphere resembling the empirical quiet Sun model for the ambient medium. In the present study, we iteratively adjust the temperature structure of the external atmosphere to fit the Stokes I and V profiles and the average continuum intensities with those obtained from observations. Our models are hotter in the uppermost photospheric layers and cooler in the deeper layers than the quiet Sun model and agree well with semi-empirical flux tube models.

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