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Huygens News Thread, News as and when we find it
Juramike
post Mar 15 2009, 02:42 PM
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Here are DISR images of the RADAR-dark/ISS-bright terrain closest to the Huygens Landing site.
(The Huygens probe landed pretty close to this feature - about 8 km away)
Attached Image


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Juramike
post Mar 15 2009, 04:51 PM
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Here's the a better image of the Pseudocolor Matrix image of the Huygens Channel.
{Pseudocolorized (red-->white)[invert(T8+T41 SAR RADAR)]}+{Pseudocolorized (blue-->white)[ISS+DISR]}
Attached Image


A full resolution TIFF (256 m/pixel resolution) is available here: http://www.flickr.com/photos/31678681@N07/3357028020/

-Mike


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Juramike
post Mar 19 2009, 04:50 AM
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Here is a predicted VIMS model of the Huygens Channel region on Titan:
Attached Image


To make this model, I let the pseudocolor gradient be driven mostly by the ISS[0.93 um] spectral response and it's correlation with VIMS terrain type. Then I applied a gentle pseudocolor gradient using the inverted [T8+T41] SAR RADAR of the same region. This allows the RADAR dark/ISS-bright regions to become brighter, and the strongly RADAR bright mountain regions to become slightly VIMS darker.

Here is a blink animation that compares this to the VIMS data presented in Jaumann et al. LPSC 40 (2009) Abstract 1599.:
Attached Image

(click to animate)

-Mike


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ngunn
post Jan 11 2010, 10:17 AM
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Huygens conference:
http://www.saturndaily.com/reports/Huygens...anding_999.html
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Hungry4info
post Jan 11 2010, 10:45 AM
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Pardon my ignorance, but can we expect anything new from this conference? I'm was under the impression that we've about squeezed all we can out of Huygens data.


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ngunn
post Jan 11 2010, 01:36 PM
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Well, here's a phrase copied from the link above:
results from studies of this moon using remote sensing from instruments on the Cassini Orbiter combined with Huygens data

In particular the VIMS closeup of the landing site could come into play here. (That's what I'm hoping, anyhow - knowing nothing but ever optimistic. smile.gif )
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nprev
post Jan 11 2010, 01:43 PM
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Cassini's obtained a LOT more contextual data since the landing, so this conference sounds like an attempt to get all the major workers together to generate an integrated interpretation of the results. Additionally, it looks like there will be some post-facto engineering review activity, which is always important for planning the next generation of probes.


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ngunn
post Jan 11 2010, 03:14 PM
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Following the links a bit further:
http://www.titanexploration.net/scientific-programme.php

(And yes there is a presentation on VIMS/DISR comparison. smile.gif )
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elakdawalla
post Jan 11 2010, 03:26 PM
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Also, remember that although the Cassini team meets regularly, the Huygens team isn't necessarily part of those meetings (unless of course you're talking of individual scientists who had roles on both missions). This would be an opportunity for Cassini people to present the latest stuff to Huygens people and for them to discuss how recent Cassini results fit into the context of the Huygens work.


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belleraphon1
post Jan 11 2010, 03:47 PM
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A lot of neat presentations listed smile.gif Good time to review.


Craig
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Hungry4info
post Jan 12 2010, 01:34 AM
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When can we expect to know the information presented at this meeting?


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ngunn
post Jan 12 2010, 10:13 PM
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A good question. There seem to be no abstracts posted, but there may be news releases over the next few days. Even better, perhaps we have members attending who will be willing to share highlights of the event.
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Floyd
post Jan 13 2010, 12:35 AM
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Why are a few of the threads marked "Pinned" and what does it mean or imply?????


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NickF
post Jan 13 2010, 12:54 AM
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Re - pinned threads. I'm guessing they're 'sticky' threads Floyd - i.e. important topics/discussions that always appear at the top of the forum, regardless of the last modification date.


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Juramike
post Jan 14 2010, 02:46 PM
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5 years ago today Huygens landed on Titan!

A brief general summary of past knowledge and images posted on the ESA webpage:
http://www.esa.int/esaCP/SEMDU4MJ74G_index_0.html



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