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The Subaru Seminar is
usually held in Room 104 of the Hilo Base Facility, adjacent
to the main lobby. Everyone is welcome to attend. If you are
interested in giving a seminar, please contact Subaru
seminar organizers (Tomonori Usuda, Kumiko S. Usuda, Masahiko Hayashi, Masayuki Akiyama)
by email.
Feburary 17, Thursday at 11:00am
" Recent progress in X-ray studies of the Crab Pulsar Wind Nebula "
Koji Mori (University of Miyazaki)
The Crab Nebula in the optical bands shows a filamentary structure of
supernova ejecta, while in the X-ray band it is dominated by a
synchrotron cloud energized by the central Crab pulsar. In this talk,
I will review recent progresses in X-ray studies of the Crab "Pulsar
Wind" Nebula with the Chandra X-ray Observatory. We have revealed that
most components of the Crab Nebula are temporally variable in their
shapes with different time scales, and the X-ray spectrum varies
across the nebula. I will discuss these results with our
interpretations. At last, I will also present our observational
result of Titan transit of the Crab Nebula.