Spectropolarimetric Signatures of Down-flows About Magnetic Boundaries

Details Spectropolarimetric Signatures of Down-flows About Magnetic Boundaries Spectropolarimetric Signatures of Down-flows About Magnetic Boundaries

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...210.4504c&link_type=abstract

American Astronomical Society Meeting 210, #45.04; Bulletin of the American Astronomical Society, Vol. 39, p.160

Astronomy and Astrophysics

Astronomy

Scientific paper

We analyze spectropolarimetric signatures across magnetic boundaries of opposite polarities at the photosphere. HAO/NSO Advanced Stokes Polarimeter measurements were made at the NSO/Dunn Solar Telescope of photospheric spectral lines (FeI 6301.2 A and 6302.3 A). These observations (NOAA 9662; 2001 October 16-17) about a corridor of a magnetic inversion line near the edge of a disk-center sunspot show strong red-asymmetry. Several (at least six) such discrete and compact sites of both polarities, near these magnetic neural lines, show such red-asymmetry. Strong down-flows associated with these unusual Stokes polarization profiles are associated with these asymmetries. We discuss detailed properties and possible origin of the observed profiles.

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