Magnetic flux in the internetwork quiet Sun

Bibcode
2005A&A...436L..27K
DOI
10.1051/0004-6361:200500114
Khomenko, E. V.; Martínez González, M. J.; Collados, M.; Vögler, A.; Solanki, S. K.; Ruiz Cobo, B.; Beck, C.
Bibliographical reference

Astronomy and Astrophysics, Volume 436, Issue 2, June III 2005, pp.L27-L30

Advertised on:
6
2005
Journal
Astronomy and Astrophysics
Number of authors
7
IAC number of authors
4
Citations
58
Refereed citations
47
Description
We report a direct comparison of the amplitudes of Stokes spectra of the Fe i 630 nm and 1.56 μm lines produced by realistic MHD simulations with simultaneous observations in the same spectral regions. The Stokes spectra were synthesized in snapshots with a mixed polarity magnetic field having a spatially averaged strength, < B >, between 10 and 30 G. The distribution of Stokes V amplitudes depends sensitively on < B >. A quiet inter-network region was observed at the German VTT simultaneously with TIP (1.56 μm) and POLIS (630 nm). We find that the Stokes V amplitudes of both infrared and visible observations are best reproduced by the simulation snapshot with < B > = 20 G. In observations with 1 resolution, up to 2/3 of the magnetic flux can remain undetected.
Type
Refereed
Magnetic fields

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