Influence of Distance between the External Occulter and Object on Coronagraph Vignetting

Quan Wei; Zhang Zhengzheng; Zhang Hongxin; Sun Mingzhe; Bu Heyang; Wang Mingye

doi:10.3788/aos201434.1112008

[1] Zhao Haibin, Lin Qisheng, Chen Yiping, et al.. Coronal structure and brightness profile of the total solar eclipse on August 1, 2008 [J]. Chinese Sci Bull, 2009, 54(12): 1790-1792.

[2] Hu Zhangwei, Zhao Haibin, Yao Jinsheng. Optical observation of the solar corona at total solar eclipse [J]. Chinese Sci Bull, 2009, 54(13): 1841-1849.

[3] Wang Jingxiu, Ji Haisheng. Recent advances in solar storm studies in China [J]. Science China: Earth Sciences, 2013, 43(6): 883-911.

[4] Zhang Xuefei, Liu Yu, Shen Yuandeng, et al.. Progress in the observation of coronal mass ejectons by STEREO [J]. Progress in Astronomy, 2012, 30(2): 159-171.

[5] R A Howard, J D Moses, A Vourlidas, et al.. Sun Earth connection coronal and heliospheric investigation (SECCHI) [J]. Space Sci Rev, 2008, 136(1-4): 67-115.

[6] A Llebaria, P Lamy, J F Danjard. Photometric calibration of the LASCO-C2 coronagragh for solar system objects [J]. Icarus, 2006, 182(1): 281-296.

[7] A F Thernisien, J S Morrill, A Llebaria, et al.. LASCO C2 and C3 level-1 images: Calibration and pipeline processing [C]. Washington: American Geophysical Union Fall Meeting, 2003, 1: 0461.

[8] A Llebaria, P Lamy, M V Bout. Lessons learned from the SOHO/LASCO-C2 calibration [C]. SPIE, 2004, 5171: 26-37.

[9] B A Raja, S K Mathew, K Sankarasubramanian, et al.. Issues with external occultation of a coronagraph [J]. Exp Astron, 2011, 29(3): 145-153.

[10] Zhang Hongxin, Lu Zhenwu, Xia Lidong, et al.. Stray light suppressing of optical system in white light coronagraph [J]. Optics and Precision Engineering, 2009, 17(10): 2371-2376.

[11] G E Brueckner, R A Howard, M J Koomen, et al.. The large angle spectroscopic coronagraph (LASCO) [J]. Solar Physics, 1995, 162(1-2): 357-402.