Free Access
Volume 546, October 2012
Article Number A26
Number of page(s) 10
Section The Sun
Published online 01 October 2012

Online material

Appendix A: MDI magnetogram

thumbnail Fig. A.1

Detail of a full disk MDI magnetogram acquired on October 15th 2008, 11:15 UT. The red box shows the approximate FOV of IBIS.

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Appendix B: Online movie

The movie Bmovie.gif shows the evolution of the LOS magnetic flux derived from COG in an area surrounding the pore. A subsonic filter was applied to the sequence. To reduce aliasing effects, the FOV was apodized and reduced to 33.3′′ × 33.3′′. The magnetic flux is clipped at −200 and 100 G to highlight the formation and evolution of the investigated MMFs. A still frame from the movie, acquired at 17:21:29 UT, is shown in Fig. B.1.

thumbnail Fig. B.1

Still frame from the Bmovie.avi showing the evolution of the magnetic flux around the pore. All the 6 MMFs investigated, labeled P or N according to their polarity, are present in this excerpt.

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Movie (Access here)

© ESO, 2012

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