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Dawn data in the PDS: Cruise, Vesta Approach, & Survey
machi
post Apr 3 2012, 05:45 PM
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Does anyone know, what happened to Dawn's FC raw data? Data release was scheduled for 1.3.2012 (more than one month ago) and PDS is still empty. Some problems with calibrations or something similar?


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Phil Stooke
post Apr 3 2012, 06:17 PM
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No, much more complicated. There is a disagreement over certain aspects of the documentation and PDS will not ingest the data until the situation is resolved.

Phil Stooke



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machi
post Apr 3 2012, 06:37 PM
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Thanks for answering my question!


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elakdawalla
post Apr 3 2012, 11:08 PM
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I talked with several scientists at LPSC about this and while we won't see it at the PDS any time soon, they all told me I should go ahead and play with the data and encourage others to do the same. I have all the released FC data. When I can find time to work with it I'll make chunks of it available. But we're in the middle of a complete site overhaul just now and I don't have time to play sad.gif


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machi
post Apr 4 2012, 10:27 AM
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"When I can find time to work with it I'll make chunks of it available."

That would be nice! I have only few images from 11.8.2011.


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Sarunia
post Apr 28 2012, 11:47 AM
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According to http://pds-smallbodies.astro.umd.edu/data_...ase_sched.shtml, it seems that we still have to wait only few days (Finally !?)
smile.gif
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Phil Stooke
post Apr 28 2012, 03:02 PM
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May not be reliable. I don't think the underlying issue has been dealt with yet.

Phil



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morganism
post Sep 11 2012, 12:44 AM
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LAMO data released for Grand

http://sbn.psi.edu/pds/archive/dawn.html


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Thomas Gold was probably right about a iceball Mars.....
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TheAnt
post Sep 21 2012, 09:39 PM
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Water on Vesta, that's a surprise.

Science daily

And Nasa including one flash video file and the pitted terrain on the bottom of Marcia crater.
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ngunn
post Sep 21 2012, 10:08 PM
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I don't find it surprising. There's water ice almost everywhere except on exposed planetary surfaces. Plenty on Mars, over a wide range of latitudes. The next large objects are the Jovian moons. Only one is non-icy: the rest are mainly ice.

I think all the big asteroids will have a lot of ice, though mostly sub-surface. Apart from ice incorporated when they formed they may also have ice originating from later comet impacts. Visible ice may indicate nothing more than recent exposure.
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Paolo
post Sep 22 2012, 11:14 AM
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the original papers in Science Express:
Elemental Mapping by Dawn Reveals Exogenic H in Vesta's Regolith
Pitted Terrain on Vesta and Implications for the Presence of Volatiles
and a comment article also in Science Express
A Golden Spike for Planetary Science


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ngunn
post Sep 22 2012, 12:49 PM
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Freely available Supplementary Materials from the 'Pitted Terrain' paper include lots of great images: http://www.sciencemag.org/content/suppl/20...1/Denevi.SM.pdf
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Paolo
post Oct 31 2012, 07:35 PM
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still more papers on Dawn at Vesta in today's Nature (sorry, I don't know whether this is the good topic):
Distinctive space weathering on Vesta from regolith mixing processes
Dark material on Vesta from the infall of carbonaceous volatile-rich material


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machi
post Nov 15 2012, 01:20 AM
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And now for something completely different - Dawn data in the PDS!

Few experiments from images FC21A0003204_11205081617F7K, FC21A0003199_11205081516F2K and FC21A0003205_11205081627F8K (all 24.7.2011)

First image is with "normal" colors (I don't know how close is this to true colors, but its from filters closest to RGB standard).
Second image is with saturated colors.
All images are rotated 180 to the right, so Rheasilvia is on top.
Attached thumbnail(s)
Attached Image
Attached Image
 


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Sarunia
post Nov 15 2012, 12:49 PM
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It's fantastic news smile.gif Finally we have it !
Thanks Machi i love you image with exaggerated colors.
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