KBO encounters |
KBO encounters |
Aug 2 2008, 12:53 PM
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#1
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Newbie Group: Members Posts: 6 Joined: 1-August 08 Member No.: 4280 |
Hi,
I’m regular follower of NH and I’m also interested in the 2nd leg of the mission, i.e the 2016+ KBOs encounters. Does anyone know when operations about this leg (starting with searching objects of interest with HST or some other earth-based means, I suppose) are expected to begin ? |
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May 16 2011, 11:50 PM
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#2
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Member Group: Members Posts: 717 Joined: 3-December 04 From: Boulder, Colorado, USA Member No.: 117 |
Actually there are no fake objects in the 2004 data on the beta site, so positive/negative pairs are likely to be a real slow-moving objects. However we probably will add artificial objects (with realistic motions, so they can also produce positive/negative pairs) in the 2011 images when they are posted- it's important to add artificial objects to the data to test what fraction of objects of a given brightness we can actually find.
Single objects, without a negative partner, may be moving objects in which the subtracted frame is taken a long time after the original frame, or they may be variable stars which have changed brightness between the times of the two images. Oh, and most binary KBOs are very close to each other in the sky- often you need Hubble to separate them- so might or might not be resolved in our images. John |
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