The spatial relation between EUV cavities and linear polarization signatures

Urszula Ba̧k-Stȩślicka, Sarah E. Gibson, Yuhong Fan, Christian Bethge, Blake Forland, Laurel A. Rachmeler

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

Solar coronal cavities are regions of rarefied density and elliptical cross-section. The Coronal Multi-channel Polarimeter (CoMP) obtains daily full-Sun coronal observations in linear polarization, allowing a systematic analysis of the coronal magnetic field in polar-crown prominence cavities. These cavities commonly possess a characteristic "lagomorphic" signature in linear polarization that may be explained by a magnetic flux-rope model. We analyze the spatial relation between the EUV cavity and the CoMP linear polarization signature.

Original languageEnglish
Title of host publicationNature of Prominences and their Role in Space Weather
PublisherCambridge University Press
Pages395-396
Number of pages2
EditionS300
ISBN (Print)9781107045194
DOIs
StatePublished - Jun 2013

Publication series

NameProceedings of the International Astronomical Union
NumberS300
Volume8
ISSN (Print)1743-9213
ISSN (Electronic)1743-9221

Keywords

  • Prominences
  • Sun: corona
  • Sun: filaments
  • Sun: infrared
  • Sun: magnetic field

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