Elaina McCartney, SOWG Documentarian

Ron Greeley, SOWG Chair

August 13, 2002

Data expected from Sol 14:

• DTE: Front Hazcams (final and penultimate), 120 degree Navcam panorama, three IPS and three Mini-TES spectra (Chopaka, Mayfield, Boulder Cave).
• UHF: Rest of 360 Navcam, Hazcams from waypoint on the way to Bonneville, rear Hazcam at destination, supporting Navcam images.
• Awaiting result of arm recovery sequence.
• Mission Success beginning of Sol 14: 58.2 meters including Sol 13 drive, 1 location, Pancam panorama, 1 target (soil). Need 2 more locations with rock targets and a trench, plus approximately 142 meters traverse distance.

Science Assessment Meeting

Assignments:

• Geology: Examine new Navcam panorama and think about Bonneville, relating geology at that site to what we've seen.
• Min: Use Mini-TES and IPS from present location and think about relating that to Bonneville, for example looking for contributing sediments.
• Atmospheric: Continue to look at results.
• Soil group: Prepare the soil trenching sequence.
• Long Term Planning: Think about what's next after Bonneville (e.g. spectroscopy at site, look at stratigraphy).
• Resources predicted: 13.38 Mb DTE, 51.9 Mb UHF, 90 minutes FIDO time, 70m coverage.

Tactical Downlink Assessments:

We have the post-drive rover position. The rover drove 19.06 meters, sequence took 70 minutes. FIDO is parked on crossbedded sandstone (the "white stuff" that was targeted).
Hypotheses to test , as discussed previous sol:

• Upper valley has outcrops in material from the hills.
• Dissected alluvial fill revealing old mud cracks.
• Evidence of biomats, newer processes, recent aqueous events.

Soils: Could do location without trenching, could leave trench to end, or trench at another site.

Engineering: It's possible to stall if trenching on hardpack, causing rest of sequence to fault out.

Atmospheres: Have acquired halo image close to sun. Circumsolar halos step in brightness from outside to inside. Sundog, darker between halos, brighter on the outside, ice crystals.

Long term planning: Images strengthen hypothesis that Paramour formation extends regionally. Group recommends taking Pancam set to fill in analyses for upper part of section, then leaving the canyon for further exploration.

Mineralogy: 35 IPS have been analyzed and show a strong kaolinite signal. In the landslide feature (Mayfield), there is a 2.3 micron feature that may be carbonate. This can be confirmed with Mini-TES data.

Conclusion: Bonneville is does not appear to be a playa.

Question: Do we want to get more chemistry and mineralogy on this outcrop? Consider spectroscopy at good sun angle, realizing FIDO is about 13 m from Stoney Point.

SOWG Meeting

Tactical Operations Summary:

Rover state of health: All systems are nominal. There are no changes in resource predicts.

Science Observation Plan:

• Mineralogy requests four Mini-TES (Hudson, Huron, Stoney Point 2, and Erie)
• Atmospheric requests Mini-TES at 0 azimuth, 5 degrees and 30 degrees elevation (30 degrees is the highest priority).
• Soil requests overlapping CMI images (total FOV 19 mm x 14 mm), one CMI coincident with APXS and Moessbauer measurements requested below (engineering reports that reachability will probably prevent overlap of CMI images, and that there is one opportunity for coincident measurements with all three instruments).
• Engineering wants CMI an multiple heights with supporting Hazcam (10 images for all four points already requested) to help characterize the range map discrepancies.
• Geology requests Pancam wedges in priority order: Stoney Point to the right (Pancam calibration inserted here), Huron, Hudson, and Bonneville flats.
• Mineralogy requests IDD with all three instruments on Snow White (CMI included above), plus IPS single points with Navcam support on Bob, Hudson, Huron, Stoney Point, Erie, Split Rock (in that priority order).

Tactical Uplink Summary:

Some observations were cut due to time constraints. Removed the 5th priority sky observation and the mast shadow imaging. The Bonneville Flats Pancam was deleted, but can be made up on the next sol. IPS on Split Rock and Erie were deleted. Hudson and Huron were reduced from 3 points to 1 point. The Hudson Pancam mosaic was removed, and the bottom tier of Huron came out. For CMI, one frame was eliminated (three remain), to accommodate cross-calibration Hazcam stereo solution experiments (for the first image, there will be 8 positions, for the second image there will be 5 positions, and for the third, 3 positions.
1st 8 pos, 2nd 5 pos, 3rd 3 positions on slew. Navcam is on DTE, Pancam on UHF.

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