Subject: Filter for GRIM II

From: gillespi@galileo.apo.nmsu.edu

Submitted: Wed, 31 Jul 1996 15:03:52 -0600

Message number: 26 (previous: 25, next: 27 up: Index)

To GRIM2 users:

Below is a request to install a new filter in GRIM2.  The APO operation
budget doesn't contain funds for this this year, but we are considering
setting aside monies in next year's budget for instrument upgrades, based
partly on user demand.  So if you have comments one way or the other, let
them fly on this mailer.  Also, if there is a consensus *and* someone has
an independent source of funding, we could do this sooner rather than
later.

Bruce Gillespie


>Date: Tue, 9 Jul 1996 10:44:45 -0600
>From: Alan Watson <alan@oldp.nmsu.edu>
>To: gillespi@galileo.apo.nmsu.edu
>Subject: Filter for GRIM II
>Mime-Version: 1.0
>
>Would APO be interested in ponying up $1000 for a filter for GRIM II?
>
>The filter in question is a narrowband 2.14 micron filter for use with
>the 2.16 micron Br-gamma line and the 2.12 H2 line, which are probably
>the most important astrophysical lines in the K window. Currently GRIM
>II has no filter suitable for use with these, and that makes it
>impossible to perform accurate line imaging. (If you want, I can tell
>you why every potential candidate is unsuitable.)
>
>Mark Hereld supports the idea of acquiring such a filter and would be
>willing to install it when GRIM II is opened later this summer. Would
>APO be willing to fund the purchase of the filter? I think it would
>cost about $1000.
>
>Regards,
>
>Alan


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