Subject: Re: One Observing Algorithm or Many?

From: Robert Nemiroff

Submitted: Thu, 24 Apr 2003 14:15:35 -0400

Message number: 120 (previous: 119, next: 121 up: Index)

I agree that the exact cadence(s) should not be fixed now, and that the
proposal should identify various cadences of interest.  But I think there
is significant utility in deciding soon whether there should, in theory, be 
one cadence or many.  It seems to me inevitable that there will be many,
that people are beginning to assume this already, and so I suggest being 
explicit about it.  

Why bother?  For one thing, multiple cadences make LSST *more* 
open not only to addressing specific science returns, but also open to
evolving opportunities and the input of the greater astronomical community.  
As a specific example, I suggested previously a program where
"Guest Investigators" will be allowed to propose cadences/filters of their own 
interest.  I would guess such a program would help the proposal, even
given that all data becomes instantly public domain.  This only makes
sense if the decision for multiple cadences has been made. 

- Robert Nemiroff

> Comment: If we insist on fixing on the LSST cadence 8 years before
> we use the telescope, I think we are making a big mistake.   Maybe 
> my brain has turned to mush with all the discussions (good, bad,
> indifferent), but it seems that the costed proposal, due 18 months 
> from now, does not require that this issue be settled.  Rather, the
> proposal should identify various cadences of interest, and show that
> the proposed system can operate efficiently using them.
> [Message 116]



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