IOC-MIPS_110a |
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10140C |
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Title: |
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Confirmation of MIPS On-board Data Processing Algorithms |
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Objective: |
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Confirm that the linear regression fits to 24um array data are computed correctly. |
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(Note that this should essentially be a repeat of a Thermal-Vac test where the linear regression will also be checked) |
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Description: |
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A star will be observed in each of the 3, 10, and 30 second exposure modes 3 times. |
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including flow / state diagram |
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The observing pattern will need to be executed both using the "raw" data mode where all |
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24um readout are sent to the ground and the normal on-board signal computation. |
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The exposure pattern will be executed twice -- once for "raw" mode and once for regular. |
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Place in Schedule: |
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After aperture door is opened and telescope has cooled some. |
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(relative to water shed events) |
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Required Conditions: |
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Background at 24um must be less than 7x10^-5 watts/m^2/sr. |
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T<45K |
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Must be able to place a star within the 5'x5' FOV |
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Resources: |
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duration (best estimate) |
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1 hr |
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real time downlink (Y / N) |
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No |
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special post event actions (Y / N) |
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Yes |
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Generates 96 DCEs (assuming each "raw" is one DCE) |
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Outcome: |
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description |
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Ground reduction of raw data needs to be compared with on-board results. |
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can proceed in parallel with other activity |
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Yes |
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must outcome be confirmed before next event / test /activity |
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Yes |
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method of confirmation (sensor TLM, data analysis, etc.) |
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Data analysis |
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estimate of data turn around if required for confirmation |
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48 hrs |
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Unique or included in planned AOT? |
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Uses a standard MIPS command which may become part of an EOT. |
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Second part of test can use the standard photometry AOT. |
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Contingency Plan: |
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"What if..." |
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If ground calculation does not match on-board results, then the flight code will have to be examined, |
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the bug corrected, and a new flight software image uploaded. |
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IOC Critical |
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Y |
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References: |
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Template last updated: |
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9/10/99 |
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M. Rieke |
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