Other
Scientific paper
May 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...210.9417s&link_type=abstract
American Astronomical Society Meeting 210, #94.17; Bulletin of the American Astronomical Society, Vol. 39, p.220
Other
Scientific paper
From late October in 2006, Hinode solar optical telescope (SOT) has started to produce series of 0.2-0.3 arcsec visible-light images, revealing dynamical behaviors of solar magnetic fields on the solar surface. Simultaneously, Hinode X-ray telescope (XRT) has been providing 1 arcsec resolution X-ray images of the solar corona, giving the location of heating and dynamics occuring in the corona. Precise image co-alignment of SOT data on XRT data with sub-arcsec accuracy is required to provide new information regarding connecting the corona to the photosphere. This presentation will give an introduction of Hinode between-telescopes' image co-alignment to SPD participants. For active region observations with sunspots, sunspots can be used as fiducial to co-align the data from the two telescopes each other. Satellite jitter in order of 1 arcsec or less is included in the series of XRT data, whereas image stabilization system (correlation tracker) removes the satellite jitter from the series of SOT images. Telescope pointings show orbital variation in order of a few arcsec, which can be well predicted from Hinode orbit information. Modeling co-alignment is under study and it is the only precise method for quiet Sun and limb observations.
DeLuca Edward E.
Hinode Team
Ichimoto Kiyoshi
Kano Ryouhei
Katsukawa Yukio
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