Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.160..183a&link_type=abstract
(Group of Optical and Infrared Astronomers in Japan, Astronomical Society of Japan, Inamori Foundation, et al., International Sy
Astronomy and Astrophysics
Astronomy
1
Seeing (Astronomy), Site Selection, Telescopes, Atmospheric Boundary Layer, Atmospheric Temperature, Japan, Topography, Wind Tunnel Tests
Scientific paper
Two steps have been taken to decide at what place and altitude to set up the JNLT on Mauna Kea. First, a wind tunnel experiment has been made in collaboration with the Institute of Meteorology using two models of summit area with the reduced scales of 1/1000 and 1/5000. This study indicates that the north-west cone is suitable for JNLT. Secondly, measurements of the microthermal activities in this area have been taken with a 30-m tower. The mean vertical profile of C(T)2 over 4 months and its scale height in the boundary layer at this site were determined. Using these measurements, the contribution of the boundary layer to seeing is estimated.
Ando Hiroyasu
Miyashita Akihiko
Nakagiri Masao
Noguchi Takeshi
Yamashita Yasumasa
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