scholarly journals Design of all-reflective space-borne 1-m aperture solar optical telescope

2019 ◽  
Author(s):  
Y. Suematsu ◽  
H. Hara ◽  
Y. Katsukawa ◽  
R. Kano ◽  
T. Shimizu ◽  
...  
Keyword(s):  
Optical Telescope ◽  
Solar Optical Telescope

scholarly journals Structure of sunspots observed with Hinode Solar Optical Telescope

2010 ◽  
Vol 6 (S273) ◽  
pp. 478-482
Author(s):  
Debi Prasad Choudhary ◽  
Gordon A. MacDonald ◽  
Na Deng ◽  
Shimizu Toshifumi
Keyword(s):  
Disk Center ◽  
Optical Telescope ◽  
Solar Optical Telescope ◽  
Side Asymmetry

AbstractWe studied 16 sunspots with different sizes and shapes using the observations with the Hinode Solar Optical Telescope. The ratio of G-band and CaII H images reveal rich structures both within the umbra and penumbra of most spots. The striking features are the compact blob at the foot point of the umbra side of the penumbral fibrils with disk center-limb side asymmetry. In this paper, we present properties of these features using the spectropolarimetry and images in G-band, CaII and blue filters. We discuss the results using the contemporary models of the sunspots.

Design of large aperture solar optical telescope for the SOLAR-C mission

2012 ◽  
Author(s):  
Y. Suematsu ◽  
Y. Katsukawa ◽  
H. Hara ◽  
T. Shimizu ◽  
K. Ichimoto
Keyword(s):  
Optical Telescope ◽  
Large Aperture ◽  
Solar Optical Telescope
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