Sol 2 : HiRiseorama and UHF bugs. |
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Sol 2 : HiRiseorama and UHF bugs. |
 May 27 2008, 07:03 PM
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#31
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 Junior Member  Group: Members Posts: 21 Joined: 21-September 07 From: Seattle Member No.: 3912  |
QUOTE (ugordan @ May 27 2008, 11:00 AM)  Did anyone find a more complete HiRISE surface shot encompassing also the backshell? Did they crop it out due to lack of color coverage or what? I didn't quite understand if MRO succeeded in both imaging tries so this color shot is actually the second one? Full image here. More here. |
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May 27 2008, 07:04 PM
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#32
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Member Group: Members Posts: 162 Joined: 16-March 05 From: Oakville, Ontario, Canada Member No.: 201 |
I liked the mars weather graphic they posted..
Is it posted somewhere or did they just create it for the press conference. be great to have that up on the web site cheers jb |
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May 27 2008, 07:04 PM
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#33
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Junior Member Group: Members Posts: 83 Joined: 27-August 05 From: Geosynchronous earth orbit Member No.: 477 |
I missed the briefing, and I have a question about the parachute. I see an image http://www.nasa.gov/images/content/230826m...olor-browse.jpg of the lander and what looks to me like a crater where the heatshield bounced and a burnt heatshield, both to the southeast of the lander. I also see no sign of the parachute or backshell, and the link for the parachute image on http://hirise.lpl.arizona.edu/phoenix-hardware.php is broken. Did anyone see an image of the parachute?
Edit: I see it from a post above, thanks! So, do they have a better latitude/longitude for the lander reported yet? Also, when latitudes are reported, are they planetographic or planetocentric? |
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May 27 2008, 07:04 PM
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#34
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 Senior Member Group: Members Posts: 3534 Joined: 1-October 05 From: Croatia Member No.: 523 |
Thanks!
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May 27 2008, 07:07 PM
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#35
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 Member Group: Members Posts: 514 Joined: 13-June 04 Member No.: 82 |
That was my understanding from the press briefing. The first HiRISE image (11 hours after landing) was not precisely aimed at Phoenix, as its position had not yet been nailed down. It was captured in the wider B&W portion of the scan, but not in the central zone with colour. By the time of the second image (22 hours?), the location of Phoenix was precisely known, so MRO was able to capture it in colour, using the central zone of the HiRISE camera.
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May 27 2008, 07:09 PM
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#36
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Junior Member Group: Members Posts: 21 Joined: 21-September 07 From: Seattle Member No.: 3912 |
QUOTE (kwan3217 @ May 27 2008, 11:04 AM) So, do they have a better latitude/longitude for the lander reported yet? Also, when latitudes are reported, are they planetographic or planetocentric? I missed the exact coordinates, but you can figure it out from the green cross here. |
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May 27 2008, 07:09 PM
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#37
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 The Poet Dude Group: Moderator Posts: 5546 Joined: 15-March 04 From: Kendal, Cumbria, UK Member No.: 60 |
QUOTE (jabe @ May 27 2008, 08:04 PM) I liked the mars weather graphic they posted.. Is it posted somewhere or did they just create it for the press conference. be great to have that up on the web site Here you go... http://www.jpl.nasa.gov/images/phoenix/col...r2__800-600.jpg 
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May 27 2008, 07:10 PM
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#38
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Senior Member Group: Members Posts: 1512 Joined: 20-April 05 Member No.: 321 |
Fascinating that the backshell stained an area about half as big as the stain around Phoenix. That impact must have been pretty hard. I hope that minimizes the worries about the propulsion as a contaminant.
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May 27 2008, 07:11 PM
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#39
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 Junior Member Group: Members Posts: 28 Joined: 27-October 06 From: Tucson, AZ Member No.: 1292 |
QUOTE (Mongo @ May 27 2008, 12:07 PM) That was my understanding from the press briefing. The first HiRISE image (11 hours after landing) was not precisely aimed at Phoenix, as its position had not yet been nailed down. It was captured in the wider B&W portion of the scan, but not in the central zone with colour. By the time of the second image (22 hours?), the location of Phoenix was precisely known, so MRO was able to capture it in colour, using the central zone of the HiRISE camera. That is exactly right. In fact, in the EDL+11 image, we at first only noticed the chute, the lander is barely visible (low sun angle, one of the solar arrays is in shadow). |
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May 27 2008, 07:13 PM
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#40
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 Junior Member Group: Members Posts: 94 Joined: 20-January 06 Member No.: 652 |
Question on the sliding rock:
Is it possible the helium venting right after landing moved the rock? It seems like the trail would have been blown away if that had happened. -------------------- |
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May 27 2008, 07:14 PM
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#41
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Senior Member Group: Members Posts: 3534 Joined: 1-October 05 From: Croatia Member No.: 523 |
Hi Guy,
Any chance the first image'll be released as well? -------------------- |
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May 27 2008, 07:15 PM
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#42
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 Administrator Group: Chairman Posts: 13245 Joined: 8-February 04 Member No.: 1 |
Getting bored of martian doughnuts - so I un-philed this one
Attached thumbnail(s)
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May 27 2008, 07:26 PM
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#43
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 Junior Member Group: Members Posts: 39 Joined: 26-May 08 From: Ottawa, Canada Member No.: 4139 |
QUOTE (kungpostyle @ May 27 2008, 03:13 PM) Question on the sliding rock: Is it possible the helium venting right after landing moved the rock? It seems like the trail would have been blown away if that had happened. At today's confrence they said they believe it's movement was caused by landing thruster blasts. |
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May 27 2008, 07:30 PM
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#44
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 Newbie Group: Members Posts: 4 Joined: 24-May 08 From: Swindon, UK Member No.: 4125 |
QUOTE (djellison @ May 27 2008, 08:15 PM) Getting bored of martian doughnuts - so I un-philed this one Nice work, how did you do this? Mick. |
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May 27 2008, 07:32 PM
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#45
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 Senior Member Group: Members Posts: 2738 Joined: 17-January 05 Member No.: 152 |
Truly a classic image, that hirise descent shot!
Has anyone else noticed that the impact points for both heatshield and backshell appear dark in the hirise shot? Presumably this means that there's no ice very close to the surface, otherwise I'd expect to see some bright debris or at least bright regions inside the impact craters. There shouldn't have been much time for exposed ice to evaporate? Anyone recall how deep Oppy's heatshield crater was? 20 cm or so? |
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