Hinode Coordinated Observations: Coronal Cavities

1. Hinode Coordinated Observations: Coronal Cavities P. Jibben et al., in preparation bright center • On February 23, 2012, a coronal cavity and associated prominence was observed by Hinode. • XRT data clearly shows a bright center in the cavity. • Temperature analysis from XRT shows that the bright center is hot (~2 MK), and the cavity is less dense than its surroundings. Contributed by the Hinode/XRT team through the Smithsonian Astrophysical Observatory

2. Hinode Coordinated Observations: Coronal Cavities P. Jibben et al., in preparation • EIS scanned the region of the cavity, showing a partial ring of red-shifted emission. • The contours of the red-shifted emission are shown on an EIS raster and an XRT image – the red-shifted plasma surrounds the bright core viewed by XRT. Contributed by the Hinode/XRT team through the Smithsonian Astrophysical Observatory

3. Hinode Coordinated Observations: Coronal Cavities • SOT images of the associated prominence in Hα red wing and blue wing give information about the prominence motion • Data from the three Hinode instruments are complementary, and explore the structure’s dynamics, morphology and thermodynamics. • Goal is to understand the structure of the flux rope which is the source of the hot center cavity P. Jibben et al., in preparation Contributed by the Hinode/XRT team through the Smithsonian Astrophysical Observatory