Science Operations

Category: Blog

PEPSI PFU SX Offline Due to Vignetting

Sep 15, 2026

September 14, 2026: During summer shutdown 2026 restart, it was discovered that the PEPSI SX PFU side was suffering from severe vignetting despite attempts to realign with the M3 on-sky.  The cause was tracked down to index-matching oil in between …

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TMS Installation Delayed

Aug 28, 2026

Due to last minute staffing commitments, the TMS system will not be available until approximately late September.  However the LBCs can still be used although more frequent re-collimations will be necessary.

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PEPSI Chamber Pressure Control Issue

Aug 27, 2026

Sept 3, 2026: PEPSI Chamber Lost Pressure Control Update
Pressure is stabilized with the solenoid valve.  PEPSI will be available for shared-risk science pending calibration and restart checkouts.  Work to replace the faulty part will be scheduled at a later …

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LBT Users Meeting

Feb 24, 2026

There will be an LBT Users Meeting on Tuesday, March 3 at 8am Arizona time over Zoom. Please contact the sciops team for login information.

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TMS PC Down – Resolved

Feb 17, 2026

Feb. 12, 2026: The TMS system recently experienced a hardware issue with the GPU in the PC controlling the system.  A replacement GPU is currently being sourced, but for the time TMS will be offline.
March 27, 2026: We have …

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Public Data Policy Expanded

Aug 10, 2023

Beginning February 1st 2024, all science data in the archive will be publicly available after the proprietary period for that data has ended. Therefore, all partner data acquired after February 1st 2024 with the 12 month default proprietary period will …

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LBTI in Physics Today – Unveiling Exozodiacal Dust

Apr 05, 2022

The Large Binocular Telescope Interferometer, or LBTI, uses its nulling interferometric capabilities to study the brightness of warm dust floating in the orbital planes of other stars (called exozodiacal dust). In particular, the HOSTS survey (The Hunt for Observable Signatures …

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