Subject: Re: Strawman science programs for the LSST; please respond!

From: Alan W Harris

Submitted: Tue, 21 Jan 2003 17:56:04 -0800

Message number: 61 (previous: 60, next: 62 up: Index)

At 06:13 PM 1/21/2003 -0700, Alan Stern-- SwRI/Boulder wrote:
>21 Jan 2003
>
>
>Michael,
>
>Doing 15,000 deg^2 for the KB search space would mean one would have to
>sample the hi-lat KBOs, rather than enumerate them. 30,000 deg^2 would do
>better, but a clever strategy using only 15,000 deg^2 might work. We could
>look into it as a team, but just beware KBOs can go higher than
>15,000/2/360=~+/-21 deg.
>
>-Alan

The pattern "imaging photometry to 24th mag, two times separated by 15-30 
minutes, once or twice per lunation, over 15,000 square degrees" mentioned 
by Mike refers to the monthly coverage.  Different patches of 15,000 sq. 
deg. would be covered throughout the year, for a total of more like 30,000 
square degrees, or most of the sky visible from a mid-northern (or 
mid-southern) latitude site.  However, this strawman coverage is just that 
planned for the NEO survey, and that search strategy is very much in a 
state of flux.  My guess is that we will end up with a plan to cover only 
around +/-20 deg. latitude for the NEA survey.  On the other hand, other 
projects will want to cover essentially all the sky to 24th magnitude, 
maybe not as often, but often enough for KBOs, so I think it is reasonable 
to call for higher latitude coverage for KBOs.

Al


*******************************************************************
Alan W. Harris
Senior Research Scientist
Space Science Institute
4603 Orange Knoll Ave.          Phone:  818-790-8291
La Canada, CA 91011-3364        email:  harrisaw@colorado.edu
******************************************************************* 


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