In between disruptive cryogenic events, we have a couple of days of useful time. A couple days ago, during such a time, we got some detectors up and running to do some tests. Various gadgets are attached on top of Theo, data is recorded, buttons pressed, knobs twiddled. And then science happens.
![Extra storage Extra storage • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9255300957/" target="_blank">View on Flickr</a>](https://farm6.static.flickr.com/5335/9255300957_5b773ea523_m.jpg)
Extra storage
We used a shipping container as overflow storage, to replace the west highbay
![Anne finishes assembling the FTS Anne finishes assembling the FTS • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9258079938/" target="_blank">View on Flickr</a>](https://farm6.static.flickr.com/5504/9258079938_b93a9db490_m.jpg)
Anne finishes assembling the FTS
Installing the delicate wire grid
![The Fourier transform spectrometer The Fourier transform spectrometer • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9258080418/" target="_blank">View on Flickr</a>](https://farm4.static.flickr.com/3705/9258080418_bfd3c83f0f_m.jpg)
The Fourier transform spectrometer
![FTS again FTS again • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9258080940/" target="_blank">View on Flickr</a>](https://farm6.static.flickr.com/5472/9258080940_94b80ce023_m.jpg)
FTS again
With the tip-tilt mirror installed in the back
![Awesome box. With buttons, banana plugs, and an LCD screen Awesome box. With buttons, banana plugs, and an LCD screen • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9255302831/" target="_blank">View on Flickr</a>](https://farm3.static.flickr.com/2878/9255302831_e11266126b_m.jpg)
Awesome box. With buttons, banana plugs, and an LCD screen
For aiming the mirror
![FTS installed FTS installed • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9255303331/" target="_blank">View on Flickr</a>](https://farm3.static.flickr.com/2870/9255303331_9b296772c1_m.jpg)
FTS installed
It mounts to the center port, and can rotate to over top any of the telescopes
![Motorized valve box Motorized valve box • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9258082598/" target="_blank">View on Flickr</a>](https://farm4.static.flickr.com/3797/9258082598_3865bb7013_m.jpg)
Motorized valve box
Now fully assembled
![Hand waving test Hand waving test • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9258083108/" target="_blank">View on Flickr</a>](https://farm3.static.flickr.com/2863/9258083108_608fe7cae9_m.jpg)
Hand waving test
The classic way of saying "Hi" to bolometers, and seeing if they say anything back
![Sasha Sasha's game • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9258083836/" target="_blank">View on Flickr</a>](https://farm4.static.flickr.com/3695/9258083836_7a3a07b5fb_m.jpg)
Sasha's game
Whacking moles in a grid of detector data
![Sean assembles the TRPNS (Thermal Rotating Polarized Near-field Source) Sean assembles the TRPNS (Thermal Rotating Polarized Near-field Source) • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9258084286/" target="_blank">View on Flickr</a>](https://farm4.static.flickr.com/3798/9258084286_fabb901a1b_m.jpg)
Sean assembles the TRPNS (Thermal Rotating Polarized Near-field Source)
Pronounced "terpness" ("noun. something expemplifying the quality or state of terp")
![Anne and the sign finally agree Anne and the sign finally agree • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9255305979/" target="_blank">View on Flickr</a>](https://farm4.static.flickr.com/3771/9255305979_0167fb072c_m.jpg)
Anne and the sign finally agree
Science is happening
![TRPNS in action TRPNS in action • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9258085322/" target="_blank">View on Flickr</a>](https://farm4.static.flickr.com/3742/9258085322_b898d65ff4_m.jpg)
TRPNS in action
How to heat a rotating thing without wires twisitng up? Aim a heat gun at it
![Laika Laika • <a style="font-size:0.8em;" href="http://www.flickr.com/photos/27717602@N03/9255307063/" target="_blank">View on Flickr</a>](https://farm4.static.flickr.com/3715/9255307063_e365a4d8eb_m.jpg)
Laika
She very actively avoids the camera
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