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| Stack Data | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Start | Stop | ee50 | ee80 | Hefi Focus | Mars Focus | Outside Temp | Dome Temp | Truss Temp | Wind Direction | Wind Speed | Stack Type | |
| 02:07 | 02:56 | 0.53 | 0.89 | 995 | -645 | 23.3 | 22.2 | 21.8 | 119 | 11 | First of Night | |
| Problem Reports | ||||
|---|---|---|---|---|
| PR Number | Times | Time Lost | Description | Response |
| 4050 | 02:10-02:10 | 00:00 | When moving segment 69 in tilt it barely moves in tilt and also moves slightly negative in tip. Piston may be wrong because of actuator failure. | |
| 4051 | 06:30-06:56 | 00:26 | In the middle of a track a 480 VAC error stopped everything. After everything came back online the track brakes would not set when the tracker was in TCS mode. (They would set in Eng Mode, but as soon as TCS mode resumed they would release again.) Was unable to command any movements from TCS in this state, even after shutting down and restarting TCS. Had to shutdown dSPACE and servo cabinets then restart to resume normal functionality. | |
| 4052 | 07:10-07:10 | 00:00 | Applying correct_for_structure() 6 minutes into west track triggered an HFC fault, presumably for velocity. However, applying correct_for_structure() 6 minutes into a south track did not. | |
| 4053 | 12:10-12:10 | 00:00 | dmipoints test started at 11:12 ended when an HFC fault triggered. It was late into test. (TO was busy writing report so did not notice exactly when.) | |
| Ops Comments | none |
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| TO Comments | Much testing with software team tonight. Tested drift, tip/tilt, focus. Ran dmipoints script at EON before leaving, because earlier run ended with HFC fault. Addendum: dmipoints script faulted out at point 19 again at 13:53. |
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| RA Comments | none |
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| Observations | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| File | Target/QID | Exp Start | Exposure | Overhead | Program | Instrument Configuration | Data Type | IQ | Dimm | SkySBrt | Skytrans | SNR | Comments | Charge | |