Differential dome-seeing monitor

Details Differential dome-seeing monitor Differential dome-seeing monitor

Sep 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pasp..104..760i&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 104, no. 679, p. 760-767.

Astronomy and Astrophysics

Astronomy

3

Atmospheric Turbulence, Telescopes, Turbulent Boundary Layer, Upper Atmosphere, Wave Fronts, Astronomical Observatories, Light Sources, Schlieren Photography

Scientific paper

The design concept and the structure of a differential dome-seeing monitor (DDSM), developed at the National Astronomical Observatory are presented. DDSM utilizes a bright star and a laser as light sources to measure simultaneously the atmospheric wave-front aberrations outside and inside the telescope enclosure. Comparative measurements showed that one can clearly reduce the 'tube seeing' by using a windscreen to block the natural wind passing through the light path in the telescope tube.

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