2 papers
astro-ph.IM2020
Atomic transitions for adaptive optics
Rui Yang, Joschua Hellemeier, Paul Hickson
This paper reviews atoms and ions in the upper atmosphere, including the mesospheric metals Na, Fe, Mg, Si, Ca, K and also non-metallic species N, N, O, H, consider…
astro-ph.IM2019
Optical turbulence at Ali, China -- Results from the first year of lunar scintillometer observations
Paul Hickson, Lu Feng, Joschua A. Hellemeier +6
The location of an astronomical observatory is a key factor that affects its scientific productivity. The best astronomical sites are generally those found at high altitudes. Sever…