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Correction of Large-Spread-Angle Stray Light for Measurements of Longitudinal Magnetic Signals

Published online by Cambridge University Press:  03 June 2005

Jiangtao Su  and
Hongqi Zhang
Jiangtao Su
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100080, China email: [email protected] Present address: 20A Datun Road, Chaoyang District, Beijing, China.
Hongqi Zhang
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100080, China email: [email protected]
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Abstract

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To examine the stray light in magnetograph observations, we determined the point spread function of the Video Vector Magnetograph mounted on the Solar Magnetic Field Telescope (SMFT) installed at the Huairou Solar Observing Station (HSOS). Then we obtained the curve on large-spread-angle (LSA) stray light intensity as a function of distance from disk center. A new way to correct LSA stray light is proposed.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Keywords

Instrumentationmagnetic fields
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS226 , September 2004 , pp. 221 - 222
Copyright
© 2005 International Astronomical Union