Dust Storm- Opportunity EOM, the end of the beginning of a new era in robotic spaceflight |
Dust Storm- Opportunity EOM, the end of the beginning of a new era in robotic spaceflight |
Jun 5 2018, 03:05 PM
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Founder Group: Chairman Posts: 14432 Joined: 8-February 04 Member No.: 1 |
Expect a quiet few sols - http://www.lpl.arizona.edu/~lemmon/mars-tau-b.html
SOL TAU 5097 0.65 5098 0.64 5099 0.67 5100 0.64 5101 0.60 5102 0.60 5103 0.61 5104 1.55 5105 **** 5106 2.12 |
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Jun 17 2018, 12:48 PM
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Senior Member Group: Members Posts: 1044 Joined: 17-February 09 Member No.: 4605 |
While the GaInP top cell is the limiting (short circuit) control its spectral response extends out to 750nm with a high response out to 600nm. So low levels of solar power will continue to be generated when much of the visible spectrum is suppressed. This link provides some information on MER solar panel performance https://ntrs.nasa.gov/archive/nasa/casi.ntr...20070010752.pdf
Absorption due to dust is highest towards the blue, decreasing to level out around 650 nm. Scattering increases with wavelength. So with the optical depths over the course of the day with tau of 10.8 it is possible that the small charging occurred around midday and if the tau has increased, has terminated. |
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