Science Operations

Recent Announcements

DX Adsec to be removed

Posted Jun 11, 2024

DX Adsec Removed – June 12, 2024
DX Adsec will be removed before SSD24 to address a potential issues with a board in crate3. The rigid secondary will be installed for the remainder of the semester. The unit has maintenance …

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DX LUCI2 DL and ESM unavailable

Posted May 31, 2024

DX LUCI2 AO and ESM unavailable (June 3, 2024)
A detached mirror in the pyramid modulator of the LUCI2 WFS was discovered.  LUCI 2 full AO and ESM will remain unavailable until a repair can be made.  This repair will …

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Resolved: LUCI1 offline – FM4 motor not moving

Posted Jan 20, 2024

Resolved: LUCI1 Offline – Failure of FM4 motor
LUCI1 is again available for science observations.  Some additional exercising of the fold mirror tilt mechanism appears to have freed up motion.  We don’t see any dropped steps in either direction now. …

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DX AO in Cold Conditions

Posted Jan 06, 2024

DX in Cold Weather – Update (Jan 6 2024)
The failure is linked to the cooling temperature at the adaptive secondary.  The cooling setpoint was slightly adjusted to provide additional leeway while maintaining the safety of the adsec and neighboring …

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Resolved: DX LUCI Pyramid Rotated

Posted Dec 15, 2023

2023-12-15  DX LUCI Pyramid Rotated – Resolved 
The DX SOUL LUCI Wavefront sensor underwent a series of checkouts and performance checks on 2023-12-14. The results were analyzed and showed that the performance of the WFS is comparable to before the …

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LUCI1 Offline for Camera Wheel Failure (Resolved)

Posted Nov 29, 2023

Update Dec 8, 2023: LUCI1 released for science…with caveats! 
LUCI1 is again available for science…with caveats, so please read this carefully.  We are assuming that the flexure calibrations taken prior to the camera wheel failure are still valid.  We …

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