Astronomical seeing and wind speed distributions with ERA5 data at lenghu site on the tibetan plateau
Sign Up to like & getrecommendations! Published in 2023 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stad1006
Abstract: In this paper, we present comprehensive night-time seeing statistics at the Lenghu site using data collected between 2018 and 2021 using a differential image motion monitor. The results show that the median seeing is 0.80… read more here.
Keywords: speed; wind speed; lenghu site; arcsec ... See more keywords
Method for simultaneous measurement of five DOF motion errors of a rotary axis using a single-mode fiber-coupled laser.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.002535
Abstract: The rotary axis is the basis for rotational motion. Its motion errors have critical effects on the accuracy of the related equipment, such as a five-axis computer numerical control machine tool. There are several difficult… read more here.
Keywords: errors rotary; motion; arcsec; motion errors ... See more keywords