File:XRT & AIA 304 Active Region Tracking -Hinode XRT-.webm

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Original file(WebM audio/video file, VP8/Vorbis, length 54 s, 854 × 428 pixels, 374 kbps overall)

Summary[edit]

Description

Today's movie shows NOAA Active Region 11374 as it develops over about a day and a half from Dec 11-13. In the left panel we have images taken through XRT's thin beryllium filter, which is sensitive to coronal material with temperature in the neighborhood of 8 million Kelvin. The 304-Angstrom passband of AIA, sensitive to chromospheric material at around 50 thousand Kelvin, is shown in the right panel. (For reference, the surface of the Sun, or photosphere, is at a temperature of around 5800 K.) Because temperature increases with distance above the photosphere, here were are afforded a nearly simultaneous view of two different layers in the solar atmosphere, with the XRT images sampling material that sits around 10,000 km above the material shown by the AIA/304 channel.

Visit us at http://xrt.cfa.harvard.edu/ and view the original post at http://xrt.cfa.harvard.edu/xpow/20111222.html

Questions and comments welcome at xrtpow "at" gmail "dot" com

Hinode is a Japanese mission developed and launched by ISAS/JAXA, with NAOJ as domestic partner and NASA and STFC (UK) as international partners. It is operated by these agencies in co-operation with ESA and the NSC (Norway).

Date
Source http://www.youtube.com/watch?v=Xg7NIKw0c-Y
Author https://www.youtube.com/user/xrtpow

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This file, which was originally posted to http://www.youtube.com/watch?v=Xg7NIKw0c-Y, was reviewed on by the administrator or reviewer McZusatz, who confirmed that it was available there under the stated license on that date.

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current14:24, 23 June 201354 s, 854 × 428 (2.4 MB)YtUPt (talk | contribs)Imported from http://www.youtube.com/watch?v=Xg7NIKw0c-Y
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