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 20 2023, 03:35 AM
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#2
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Senior Member Group: Members Posts: 1583 Joined: 14-October 05 From: Vermont Member No.: 530 |
The other thing ... JWST is operational, and covers (without liquid He) the shorter wavelengths that "warm Spitzer" also covered. Again, more warm Spitzer seems even less indicated.
OTOH, Google seems to indicate cold Spitzer observed longer wavelengths than JWST, so getting cold Spitzer back after all these years would be a helluva thing. |
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May 25 2023, 09:54 PM
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#3
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Member Group: Members Posts: 684 Joined: 24-July 15 Member No.: 7619 |
The other thing ... JWST is operational, and covers (without liquid He) the shorter wavelengths that "warm Spitzer" also covered. Again, more warm Spitzer seems even less indicated. OTOH, Google seems to indicate cold Spitzer observed longer wavelengths than JWST, so getting cold Spitzer back after all these years would be a helluva thing. That makes me kinda-wonder whether some sort of Webb-sunshade to create a cold-Spitzer extended mission might be future goal? |
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