11 citations · 18 across the 9 of their papers we have counts for
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astro-ph.SR2012★ 3 cited
Venus transit, aureole and solar diameter
Wenbin Xie, Costantino Sigismondi, Xiaofan Wang +1
The possibility to measure the solar diameter using the transits of Mercury has been exploited to investigate the past three centuries of its evolution and to calibrate these measu…
astro-ph.SR2012
Geometrical information on the solar shape: high precision results with SDO/HMI
Xiaofan Wang, Costantino Sigismondi
The uncertainty of measurement of solar diameter is depending on the observational time scale. Full-disc images of SDO/HMI and the images from ground observations in Huairou Solar…
astro-ph.IM2012
Low frequency seeing and solar diameter measurements
Costantino Sigismondi
The action of the atmospheric seeing is blurring, image stretching and image motion. This happens even to the image of the Sun which is more than half degree wide. Low frequency se…