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Asymmetric Stokes Q, U and V Line Profiles Observed in Sunspots

Published online by Cambridge University Press:  12 April 2016

J. Sánchez Almeida  and
B.W. Lites
J. Sánchez Almeida
Affiliation:
Instituto de Astrofísica de Canarias, 38200 La Laguna, Tenerife, Spain
B.W. Lites
Affiliation:
High Altitude Observatory, National Center for Atmospheric Research, Boulder, Colorado 80307-3000, USA

Abstract

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We present a systematic description of the asymmetric shapes the Stokes line profiles exhibit in sunspots. These asymmetries seem to be caused by gradients of both magnetic field and velocity in the photospheres of sunspots.

Type
Session 3. Techniques of Magnetic Field Measurements
Information
International Astronomical Union Colloquium , Volume 141: The Magnetic and Velocity Fields of Solar Active Regions , 1993 , pp. 177 - 179
Copyright
Copyright © Astronomical Society of the Pacific 1993

References

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