Spitzer Liquid He |
Spitzer Liquid He |
Oct 14 2005, 05:01 AM
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#1
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Member Group: Members Posts: 356 Joined: 12-March 05 Member No.: 190 |
How much cryogen does Spitzer have remaining in its dewar? Do they know, or are they just waiting to see a temperature rise after complete boil-off? Can't find much info on the website.
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May 7 2009, 12:18 PM
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#2
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Member Group: Members Posts: 118 Joined: 18-November 07 Member No.: 3964 |
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May 7 2009, 12:42 PM
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#3
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Forum Contributor Group: Members Posts: 1372 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
Can anyone tell us how long Spitzer might operate for in its "warm" mission ?
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May 7 2009, 04:31 PM
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#4
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Senior Member Group: Members Posts: 1584 Joined: 14-October 05 From: Vermont Member No.: 530 |
Can anyone tell us how long Spitzer might operate for in its "warm" mission ? I'm not sure how long the current funding lasts, but that's probably the primary determinant: funding. The cost of operating Spitzer for just these two channels was not viewed by everyone as worthy of the cost. They did reduce operating expenses a bunch, but I think they were pressed to get operating costs down even farther. I'd guess they might get pressed harder the next go-around. And so it goes. Up to the hopefully well-advised beancounters. This site has some great info on what they plan to do: http://ssc.spitzer.caltech.edu/mtgs/warm/ |
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