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LAMO, aka Low Altitude Mapping Orbit
dilo
post Nov 11 2011, 10:23 PM
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I think is time to start this new topic, now that Dawn is more than half-way in the transition from HAMO to LAMO (as showed in the plot below).

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Phil Stooke
post Apr 19 2012, 05:03 PM
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LAMO is all about the composition-mapping instrument, with imaging just riding along. They have to look down pretty much all the time, I think.

Phil



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pablogm1024
post Apr 21 2012, 03:16 PM
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QUOTE (Phil Stooke @ Apr 19 2012, 05:03 PM) *
LAMO is all about the composition-mapping instrument, with imaging just riding along. They have to look down pretty much all the time, I think.

I can confirm Phil's comment. As Marc Rayman has mentioned several times on his blog, the Gamma Ray and Neutron Detector (GRaND) is the prime instrument in this phase. This instrument will provide the elemental composition of the surface (up to 1 meter depth) thanks to the nuclear emissions induced by the background cosmic radiation. The problem is that these emissions are very weak, and even with a detector as finely tuned as GRaND it requires an extremely large amount of integration time to get above the noise.
The off-nadir imaging, which is critical for the stereographic reconstruction of the surface, will continue in the second HAMO phase later this year.
Regards,
pablogm


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Posts in this topic
- dilo   LAMO   Nov 11 2011, 10:23 PM
- - ElkGroveDan   Good thing we aren't calling it a "Low Ma...   Nov 11 2011, 11:53 PM
|- - dilo   Another way to show the progress from HAMO to LAMO...   Nov 14 2011, 04:08 PM
|- - dilo   And finally, we are below 300km height... not far ...   Nov 16 2011, 08:49 PM
- - Phil Stooke   Hopefully the daily image releases will resume sho...   Nov 16 2011, 08:59 PM
|- - stevesliva   QUOTE (Phil Stooke @ Nov 16 2011, 04:59 P...   Nov 16 2011, 09:54 PM
|- - Tunglere   Images from Nov. 10-13 don't currently show up...   Nov 16 2011, 11:47 PM
- - Phil Stooke   The latest four images were posted on the same day...   Nov 17 2011, 04:15 PM
|- - dilo   Updated situation, all plots: Engines are now si...   Nov 17 2011, 10:20 PM
|- - dilo   Now that we have an improved simulator (better Ves...   Nov 18 2011, 05:20 PM
|- - dilo   New update after two long simulator black-outs: B...   Nov 23 2011, 08:41 PM
|- - dilo   Further update: Dawn is almost there!   Nov 25 2011, 10:52 PM
|- - dilo   Now short engine burns are frequent:   Nov 29 2011, 10:05 PM
- - Phil Stooke   "Dawn image EDR data will be publicly release...   Nov 29 2011, 11:54 PM
- - elakdawalla   Time for us to lurk on the Small Bodies Node websi...   Nov 30 2011, 02:34 AM
- - Phil Stooke   This link... http://pds-smallbodies.astro.umd.edu...   Nov 30 2011, 04:18 AM
|- - dilo   QUOTE (Phil Stooke @ Nov 30 2011, 04:18 A...   Dec 1 2011, 07:02 AM
|- - SFJCody   QUOTE (dilo @ Dec 1 2011, 05:02 PM) ...an...   Dec 1 2011, 07:06 AM
|- - angel1801   I did a Solar System Simulator run for Vesta and I...   Dec 1 2011, 12:03 PM
- - Greg Hullender   I think shifting the Vesta departure date would re...   Dec 1 2011, 03:21 PM
|- - algorimancer   QUOTE (Greg Hullender @ Dec 1 2011, 09:21...   Dec 1 2011, 03:49 PM
- - Explorer1   Yeah, Dawn's launch was delayed three months, ...   Dec 1 2011, 09:01 PM
|- - Greg Hullender   QUOTE (Explorer1 @ Dec 1 2011, 01:01 PM) ...   Dec 2 2011, 06:06 PM
|- - Greg Hullender   QUOTE (Greg Hullender @ Dec 2 2011, 10:06...   Jan 1 2012, 09:51 PM
- - stevesliva   http://dawn.jpl.nasa.gov/multimedia/vesta_dawn_gal...   Dec 1 2011, 09:52 PM
- - stevesliva   New Dawn Journal: QUOTE There is always a tug dow...   Dec 2 2011, 12:47 AM
- - PDP8E   The Dawn Journal and Dr. Marc Rayman should get so...   Dec 2 2011, 06:50 PM
|- - dilo   I agree, PDP8E.   Dec 3 2011, 06:10 AM
|- - dilo   After last burns, nominal LAMO height (200km above...   Dec 3 2011, 07:22 PM
|- - dilo   No burns in last hours, orbits is now around 185x2...   Dec 4 2011, 09:40 PM
- - machi   Interesting news via Emily's twitter: "R...   Dec 6 2011, 05:53 PM
- - stevesliva   Several updates here: http://dawn.jpl.nasa.gov/mul...   Dec 8 2011, 06:08 AM
- - claurel   Now that Robert Gaskell's shape model of Vesta...   Dec 9 2011, 07:38 PM
|- - claurel   QUOTE (claurel @ Dec 9 2011, 11:38 AM) No...   Dec 13 2011, 11:32 PM
|- - Sarunia   Thank you, I was just preparing a conversion for c...   Dec 13 2011, 11:58 PM
- - ElkGroveDan   Beautiful. Thanks for sharing.   Dec 9 2011, 07:51 PM
- - Sarunia   With the shape from Dr. Robert Gaskell (and provid...   Dec 10 2011, 11:04 PM
|- - dilo   Beautiful simulated views in this video, Sarunia...   Dec 11 2011, 08:34 AM
|- - Sarunia   Thanks, dilo. For the bump projection, a tri-axia...   Dec 11 2011, 07:20 PM
- - Phil Stooke   Nice! This can be turned into a shaded relief...   Dec 11 2011, 02:55 AM
- - Bill Harris   And Nice! ^2, Phil. You can see a lot of his...   Dec 11 2011, 07:23 AM
- - scalbers   Videos of numerous AGU talks on Vesta from this pa...   Dec 11 2011, 04:47 PM
|- - dilo   After long hiatus (related to safe mode event one ...   Dec 11 2011, 05:45 PM
|- - stewjack   QUOTE (scalbers @ Dec 11 2011, 12:47 PM) ...   Dec 11 2011, 09:18 PM
- - djellison   Did my own conversion from the greyscale map into ...   Dec 11 2011, 09:10 PM
- - stevesliva   First (?) image from near LAMO? http://dawn.jpl.na...   Dec 14 2011, 01:43 AM
|- - dilo   QUOTE (stevesliva @ Dec 14 2011, 02:43 AM...   Dec 14 2011, 06:17 AM
- - stevesliva   And now the image of the day is stalled again. Le...   Dec 15 2011, 07:31 PM
|- - dilo   QUOTE (stevesliva @ Dec 15 2011, 08:31 PM...   Dec 15 2011, 07:56 PM
|- - stevesliva   Doh. Thanks for pointing that out, it'll save...   Dec 15 2011, 08:04 PM
- - Jaheira   Is it just me, or does that sharp, young crater in...   Dec 20 2011, 12:55 AM
|- - Marz   QUOTE (Jaheira @ Dec 19 2011, 06:55 PM) I...   Dec 20 2011, 06:54 PM
- - stevesliva   Five LAMO images have appeared here: http://dawn.j...   Dec 21 2011, 06:05 PM
- - volcanopele   14 more names have been approved for use on Vesta,...   Dec 28 2011, 04:25 AM
- - Holder of the Two Leashes   Thanks Greg. I'd be interested to know how fa...   Jan 2 2012, 08:20 AM
- - algorimancer   Spacedaily has an article up today (http://www.spa...   Jan 3 2012, 01:42 PM
- - Greg Hullender   New Dawn Journal: http://dawn.jpl.nasa.gov/mission...   Jan 5 2012, 03:42 PM
- - stevesliva   What a tease to link to the image of the day after...   Jan 5 2012, 09:02 PM
- - Phil Stooke   No... they are here instead: http://dawn.jpl.nasa...   Jan 5 2012, 09:51 PM
- - stevesliva   I know there are some kicking around. Just hopin...   Jan 5 2012, 10:01 PM
|- - pablogm1024   QUOTE (stevesliva @ Jan 5 2012, 11:01 PM)...   Jan 6 2012, 02:49 PM
|- - pablogm1024   QUOTE (pablogm1024 @ Jan 6 2012, 03:49 PM...   Jan 9 2012, 02:54 PM
- - stevesliva   http://dawn.jpl.nasa.gov/multimedia/imageo...p?dat...   Jan 16 2012, 08:08 PM
|- - Marz   Today's image is a nice 3-D anaglyph of impact...   Jan 24 2012, 09:39 PM
- - stevesliva   Three releases on the multimedia page that would s...   Jan 26 2012, 06:28 PM
|- - Marz   QUOTE (stevesliva @ Jan 26 2012, 12:28 PM...   Feb 14 2012, 10:14 PM
- - Phil Stooke   Some pretty clear flows on Vesta in the latest ima...   Feb 5 2012, 03:49 AM
- - ngunn   Good question. I hope you get an answer from someo...   Feb 14 2012, 11:07 PM
- - Greg Hullender   I see that we've got four more months at Vesta...   Feb 16 2012, 02:12 AM
- - Phil Stooke   The short time at Ceres in the primary mission is ...   Feb 16 2012, 02:58 AM
- - scalbers   Here's the released map with feature names put...   Feb 26 2012, 06:00 PM
- - stevesliva   Two interesting image releases on Aricia Tholus la...   Feb 29 2012, 12:08 AM
- - john_s   My impression, especially from those new images, i...   Feb 29 2012, 03:42 AM
- - Gsnorgathon   But doesn't "tholus" just mean hill,...   Feb 29 2012, 11:20 PM
- - john_s   That might be technically true, but "tholus...   Mar 1 2012, 12:37 AM
- - Gsnorgathon   Umm... how about Lucaria Tholus? OK, yeah. That...   Mar 1 2012, 02:23 AM
|- - pablogm1024   QUOTE (Gsnorgathon @ Mar 1 2012, 03:23 AM...   Mar 2 2012, 10:10 AM
- - Phil Stooke   "tholus" on other bodies has typically b...   Mar 2 2012, 02:25 PM
- - Astro0   40 extra days at Vesta! http://www.jpl.nasa.g...   Apr 19 2012, 05:05 AM
- - Phil Stooke   Yes, and they have now released over 200 pictures ...   Apr 19 2012, 12:03 PM
- - charborob   In LAMO, Dawn seems to be taking only nadir-pointi...   Apr 19 2012, 12:14 PM
- - Phil Stooke   LAMO is all about the composition-mapping instrume...   Apr 19 2012, 05:03 PM
|- - pablogm1024   QUOTE (Phil Stooke @ Apr 19 2012, 05:03 P...   Apr 21 2012, 03:16 PM
- - Juramike   A really nice "uber"-image release today...   Apr 25 2012, 06:59 PM
- - Hungry4info   NASA to Hold News Conference on Asteroid Mission R...   May 7 2012, 07:58 PM
- - Mariner9   I suspect that the news conference is timed to coi...   May 8 2012, 05:11 PM
- - Holder of the Two Leashes   News conference set to start in one hour twenty mi...   May 10 2012, 04:42 PM
- - Floyd   About to start, 98+ viewers   May 10 2012, 05:58 PM
- - Explorer1   Starting now...   May 10 2012, 06:00 PM
- - Paolo   meanwhile, papers have appeared in Science http://...   May 10 2012, 06:05 PM
|- - dilo   Interesting conference, though I see less than a d...   May 10 2012, 06:56 PM
|- - DrShank   QUOTE (dilo @ May 10 2012, 12:56 PM) Inte...   May 10 2012, 07:26 PM
|- - elakdawalla   QUOTE (dilo @ May 10 2012, 11:56 AM) Inte...   May 11 2012, 03:40 PM
- - ElkGroveDan   Can we go now? I want to see Ceres.   May 10 2012, 06:31 PM
|- - DrShank   QUOTE (ElkGroveDan @ May 10 2012, 12:31 P...   May 10 2012, 06:51 PM
|- - Paolo   QUOTE (ElkGroveDan @ May 10 2012, 08:31 P...   May 11 2012, 07:05 AM
|- - centsworth_II   It is interesting to know the correct Latin pronun...   May 11 2012, 12:44 PM
- - Holder of the Two Leashes   So, I guess I'll go ahead and hang on to my li...   May 10 2012, 06:44 PM
- - charborob   FWIW, in French, we write "Cérès" and pr...   May 11 2012, 01:35 PM
- - Phil Stooke   Dawn isn't in LAMO now, it's moved back up...   Jul 24 2012, 01:25 AM
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