Subject: Re: Dust Shutdowns

From: Jon Brinkmann

Submitted: Tue, 14 Oct 1997 17:43:39 -0600 (MDT)

Message number: 191 (previous: 190, next: 192 up: Index)

Eric,

Well done!

It would be interesting to see a "dust closure merit factor", the ratio
of "dust accumulation avoided" to "telescope time lost", plotted
against closure level.  Would you calculate the merit factor from the
data used to plot Figure 2 on your web page?  I'd like to know if there
is a peak in the merit figure, i.e., a closure level where you get the
most protection for the least lost time.

Jon
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