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 17 2011, 06:01 AM
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#2
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 Director of Galilean Photography Group: Members Posts: 896 Joined: 15-July 04 From: Austin, TX Member No.: 93 |
John,
Thanks for the update! I was curious, are you using a 16 or 32 bit FITS workflow? It seems like some of the images are suffering from a weird clipping like the subtraction was done on signed data but the conversion to an image format was done on unsigned data. Maybe you could provide a couple of sample images and we could hold a contest for the best subtraction algorithm.  You said binary KBOs are likely to still be point sources on these images, what about binary asteroids/centaurs? Also, is there a fixed image scale for these pictures, or do they vary? -------------------- Space Enthusiast Richard Hendricks
-- "The engineers, as usual, made a tremendous fuss. Again as usual, they did the job in half the time they had dismissed as being absolutely impossible." --Rescue Party, Arthur C Clarke Mother Nature is the final inspector of all quality. |
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xtruel KBO encounters Aug 2 2008, 12:53 PM
nprev Hiya, X. If I remember correctly, the KBO search i... Aug 2 2008, 01:06 PM
Alan Stern QUOTE (nprev @ Aug 2 2008, 01:06 PM) Hiya... Aug 2 2008, 01:26 PM
Paolo QUOTE (nprev @ Aug 2 2008, 03:06 PM) Plut... Aug 2 2008, 03:32 PM nprev ...our definition of celestial vermin seems to be ... Aug 2 2008, 04:48 PM xtruel Thanks for these quick replies
Given the tiny ... Aug 3 2008, 07:36 AM Greg Hullender Trouble is, it'll take NH almost 10 years to g... Aug 3 2008, 04:01 PM Alan Stern QUOTE (Greg Hullender @ Aug 3 2008, 04:01... Aug 3 2008, 04:35 PM surreyguy Is larger necessarily better? Planets (in the hy... Aug 3 2008, 05:06 PM Alan Stern QUOTE (surreyguy @ Aug 3 2008, 05:06 PM) ... Aug 3 2008, 05:09 PM nprev Just out of curiosity, Alan, is encounter relative... Aug 3 2008, 05:49 PM Alan Stern QUOTE (nprev @ Aug 3 2008, 06:49 PM) Just... Aug 4 2008, 10:59 AM nprev Oh, sorry. What I meant is that presumably more da... Aug 4 2008, 11:10 AM Alan Stern QUOTE (nprev @ Aug 4 2008, 11:10 AM) Oh, ... Aug 4 2008, 01:24 PM surreyguy Thanks for the correction, Alan. And yes, I shoul... Aug 4 2008, 06:42 PM tasp Not sure I am thinking this through correctly, but... Aug 4 2008, 07:07 PM Alan Stern QUOTE (tasp @ Aug 4 2008, 08:07 PM) Not s... Aug 4 2008, 07:20 PM tasp Thanx.
I guess we get to work out the statistics ... Aug 4 2008, 07:47 PM nprev Alan, what is the search magnitude limit for the h... Aug 4 2008, 07:49 PM Alan Stern QUOTE (nprev @ Aug 4 2008, 07:49 PM) Alan... Aug 4 2008, 09:13 PM nprev THAT is a definite "wow!!!!... Aug 4 2008, 09:18 PM xtruel QUOTE (Greg Hullender @ Aug 3 2008, 06:01... Aug 5 2008, 04:10 PM vjkane QUOTE (xtruel @ Aug 5 2008, 05:10 PM) So ... Aug 5 2008, 04:38 PM Alan Stern QUOTE (vjkane @ Aug 5 2008, 04:38 PM) The... Aug 5 2008, 05:39 PM IM4 We have no candidates for close KBO enccounters, b... Aug 17 2008, 10:41 AM Alan Stern QUOTE (IM4 @ Aug 17 2008, 10:41 AM) We ha... Aug 17 2008, 11:49 AM IM4 QUOTE (Alan Stern @ Aug 17 2008, 11:49 AM... Aug 17 2008, 03:18 PM Explorer1 Looks like the 'flyby' of Crantor came an... Apr 14 2010, 04:42 AM Hungry4info Couldn't blame them if they didn't do anyt... Apr 14 2010, 01:56 PM Vultur The first post in this thread says the search woul... Apr 15 2010, 09:15 AM Alan Stern QUOTE (Vultur @ Apr 15 2010, 10:15 AM) Th... Apr 15 2010, 12:18 PM illexsquid QUOTE (Alan Stern @ Apr 15 2010, 04:18 AM... Apr 27 2010, 06:11 PM Gsnorgathon The Tvashtar plume images were taken a lot closer ... Apr 28 2010, 05:55 PM john_s I'll chip in here. Alan was talking about sci... Apr 28 2010, 07:36 PM MahFL The Search for KBO's to begin. Apr 20 2011, 02:59 PM john_s Look for another release in a few weeks, describin... Apr 20 2011, 03:17 PM dilo QUOTE (john_s @ Apr 20 2011, 03:17 PM) Lo... Apr 20 2011, 03:47 PM nprev Actually, Alan said in this post that the search w... Apr 15 2010, 09:32 AM Greg Hullender Yeah, I think the last few times we've asked t... Apr 15 2010, 04:58 PM Astro0 If we find it, can we name it?! I always thoug... Feb 22 2011, 11:01 PM nprev THAT is a rockin' piece of citizen science out... Feb 23 2011, 01:10 AM hendric John,
That's great news, can't wait to p... Feb 23 2011, 02:54 PM elakdawalla It's in beta, still several weeks from launch. May 8 2011, 04:18 AM NGC3314 What John said - just found out that some of the p... May 9 2011, 12:18 PM hendric Just got this in the Zooniverse newsletter. I thi... May 16 2011, 04:46 PM john_s Here's an update on how the KBO search is goin... May 16 2011, 05:20 PM dilo Finally we can help you, I am so excited!
Jus... May 16 2011, 09:39 PM stevesliva QUOTE (dilo @ May 16 2011, 05:39 PM) Just... May 16 2011, 11:34 PM john_s As hendric and others have noted, the beta version... May 16 2011, 09:56 PM MahFL Oh dear I can't use IE7, which is on my work P... May 17 2011, 12:50 PM john_s Actually there are no fake objects in the 2004 dat... May 16 2011, 11:50 PM stevesliva Thanks john... I saw an old powerpoint of yours wh... May 17 2011, 12:03 AM john_s QUOTE (hendric @ May 17 2011, 12:01 AM) J... May 17 2011, 02:44 PM hendric Thanks for the reply John. I figured after I sent... May 17 2011, 03:10 PM tfisher I can discern 8 parallel, nearly horizontal, rows ... May 18 2011, 01:56 AM john_s QUOTE (tfisher @ May 17 2011, 06:56 PM) I... May 18 2011, 03:59 AM nprev John, though this is not a technical commentary, h... May 18 2011, 02:40 AM john_s QUOTE (nprev @ May 17 2011, 07:40 PM) Sug... May 18 2011, 04:05 AM nprev Swing and a miss...but knew there had to be a reas... May 18 2011, 05:02 AM hendric I figured the black star centers was because of a ... May 18 2011, 04:30 PM john_s QUOTE (hendric @ May 18 2011, 10:30 AM) I... May 18 2011, 05:22 PM hendric John,
Good to know, I wasn't implying you... May 18 2011, 07:12 PM tfisher QUOTE (hendric @ May 18 2011, 03:12 PM) I... May 18 2011, 09:55 PM tfisher Poking around more at the horizontal artifacts... ... May 19 2011, 01:46 AM john_s Thanks for these examples, Richard and all!
Q... May 19 2011, 04:03 AM hendric Oh sure, if they're not the same distance. I ... May 19 2011, 05:53 PM stevesliva I thought this was a thing of beauty, as far as fi... May 21 2011, 01:36 AM nprev Okay, I'll play: I see two, possibly binary.
... May 21 2011, 03:54 AM tfisher Are Kuiper belt objects distributed like a belt, o... May 21 2011, 01:48 PM john_s Most KBOs are in a flat disk, like the asteroids (... May 21 2011, 03:19 PM nprev John, interim progress report. 238 objects identif... May 21 2011, 10:36 PM NickF QUOTE (nprev @ May 21 2011, 05:36 PM) EDI... Jun 22 2011, 05:24 PM nprev Possible bug report: I'm on the road now ... May 23 2011, 11:57 PM Tman Hi, that happens because of the last update on Sun... May 24 2011, 09:34 AM nprev Sure enough; thanks, T! (Der...there's was... May 24 2011, 02:07 PM john_s The Ice Hunters project is now out of beta and is ... Jun 21 2011, 01:55 PM Alan Stern QUOTE (john_s @ Jun 21 2011, 02:55 PM) Th... Jun 22 2011, 12:04 AM nprev Great Godfrey!!! A PI has called for a... Jun 22 2011, 01:30 AM Sunspot It's very addictive Jun 22 2011, 10:16 PM nprev Yeah, ain't it? I'm over something like 21... Jun 22 2011, 10:53 PM nprev Okay, now @ 2257 images with a detection rate of 1... Jun 25 2011, 09:50 PM Stu 18%? And you haven't shown us a *single* image... Jun 25 2011, 09:54 PM nprev <abashed look> I didn't think anyone was... Jun 25 2011, 10:30 PM stevesliva My finding rate is much higher, but the number of ... Jun 26 2011, 04:24 AM elakdawalla Ha! I just independently saw that exact same ... Jun 26 2011, 04:39 AM nprev Now HERE'S a beauty: one asteroid plus one pos... Jun 26 2011, 06:09 AM centsworth_II QUOTE (nprev @ Jun 26 2011, 02:09 AM) Now... Jun 26 2011, 09:45 AM NickF If we're comparing rates, I've highlighted... Jun 26 2011, 03:41 PM nprev Eek! We're heading into an asteroid field ... Jun 26 2011, 07:06 PM nprev ...and dig THIS behemoth. Perhaps a TNO rather tha... Jun 26 2011, 07:08 PM nprev Last one of the day: A two-fer?
EDIT: Please disr... Jun 26 2011, 07:37 PM nprev Sorry, but I HAD to post this. Satellite trail? NE... Jun 26 2011, 09:24 PM Marz Great stuff!!! I've gone through ... Jun 27 2011, 12:03 AM nprev Thanks for that comment, Marz. Been wondering if I... Jun 27 2011, 12:13 AM NickF QUOTE (nprev @ Jun 26 2011, 06:13 PM) Got... Jun 27 2011, 02:46 AM nprev I'm thinkin' maybe just this one time, Nic... Jun 27 2011, 03:31 AM |
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