Good god. Talk about threading the needle. How brief is the occultation @SOFIAtelescope will observe? #askNASA
Have Qs about how @SOFIAtelescope is observing @NASANewHorizons's next target ahead of its 2019 flyby? #askNASA now: https://www.nasa.gov/feature/sofia-to-make-advance-observations-of-next-new-horizons-flyby-object …pic.twitter.com/dBk0KctNG3
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The occultation will be appox. 2 seconds, but we are using our high-speed camera.
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Wow that's longer than I expected. Not that I had a good idea. What percentage of MU69 velocity is line-of-sight?
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It's a small percentage. Most of the motion is from the Earth's orbit around the sun.
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Is there any data from the recent observations of MU69 that will be followed up on? If yes, which ones?
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Yes the same
@NASANewHorizons team that studied June 3 occultation is onboard & using that & new@NASAHubble data to plan tonight's observ.
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What type of data (UV, IR, etc.) will you be collecting on MU69? Will you be collecting spectra, as well?
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We're using our visible light camera in high speed for these observations.
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I've always wondered if drag is an issue when the telescope door is open on SOFIA, how do you work with that?
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No, we engineered the aircraft so that the air flows smoothly over the openingpic.twitter.com/TIbMncFrs0
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Very cool!
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How do you deal with turbulence?
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The telescope is mounted on a spherical bearing to isolate it from the movement of the aircraft. We also use gyroscopes.pic.twitter.com/KRjmckqrts
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How do you determine the location to fly over for observing? And how specific do you need to be?
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We used data from
@NASAHubble &@ESAGaia satellite to calculate where MU69 shadow would fall on Earth. The best data is from the center! -
Thanks! Also, MU69 is pretty small, what is the telescope's observing limit? (As in size, distance, etc.)
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#AskNASA Maybe its too late to ask but how did it go? Any idea of how close you got to the center of the shadow? PS: Keep up the good work! -
Everything went very well! We were exactly where the predicted center of shadow was at exactly the right time!
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Very very happy to hear that. Looking forward to read about the results!
#SOFIArules :-)
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NASA care to explain to everyone about this Alien Base in Antarctica shame on you NASA you web of lie's is catching up with youpic.twitter.com/AuR8aVEsNj
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