Dome fuji seeing-the summer results and the future winter-over observations

Hirofumi Okita, Naruhisa Takato, Takashi Ichikawa, Colin S. Bonner, Michel C.B. Ashley, John W.V. Storey

Research output: Chapter in Book/Report/Conference proceedingConference contribution


We carried out the first seeing measurements at Dome Fuji in the 2010-2011 austral summer. From these observations, we found that the summer seeing at Dome Fuji was 1.2″ (mean), 1.1″ (median), 0.83″ (25th percentile) and 1.5″ (75th percentile), respectively. We also found that the seeing changed continuously and had a minimum around 0.7″ at ~18:00 hours daily. We compared the seeing with some weather parameters obtained from the 16 m mast, and found that the seeing had good correlations with atmosphere temperature and wind shear. These results suggest that the seeing is degraded by turbulence near the surface boundary layer. Because the data were obtained only over a short duration in summer, the general characteristics of Dome Fuji's seeing could not be evaluated. We plan to observe the seeing in winter with a stand-alone DIMM telescope. This new DIMM, which we named the Dome Fuji Differential Image Motion Monitor (DF-DIMM), will be installed at Dome Fuji in January 2013.

Original languageEnglish
Title of host publicationAstrophysics from Antarctica
EditorsMichael G. Burton, Xiangqun Cui, Nicholas F. H. Tothill
Number of pages4
Publication statusPublished - 2012 Aug

Publication series

NameProceedings of the International Astronomical Union
ISSN (Print)1743-9213
ISSN (Electronic)1743-9221


  • atmospheric effects
  • site testing
  • telescopes

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science


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