On the Difference between Seeing and Image Quality: When the Turbulence Outer Scale Enters the Game

Details On the Difference between Seeing and Image Quality: When the Turbulence Outer Scale Enters the Game On the Difference between Seeing and Image Quality: When the Turbulence Outer Scale Enters the Game

Sep 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010msngr.141....5m&link_type=abstract

The Messenger, vol. 141, p. 5-8

Physics

3

Scientific paper

We attempt to clarify the frequent confusion between seeing and image quality for large telescopes. The full width at half maximum of a stellar image is commonly considered to be equal to the atmospheric seeing. However the outer scale of the turbulence, which corresponds to a reduction in the low frequency content of the phase perturbation spectrum, plays a significant role in the improvement of image quality at the focus of a telescope. The image quality is therefore different (and in some cases by a large factor) from the atmospheric seeing that can be measured by dedicated seeing monitors, such as a differential image motion monitor.

Affiliated with

Also associated with

No associations

Rating

On the Difference between Seeing and Image Quality: When the Turbulence Outer Scale Enters the Game does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with On the Difference between Seeing and Image Quality: When the Turbulence Outer Scale Enters the Game, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and On the Difference between Seeing and Image Quality: When the Turbulence Outer Scale Enters the Game will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1519557