edmond.merilh@LIGO.ORG - posted 08:12, Wednesday 21 December 2016 - last comment - 13:40, Wednesday 21 December 2016(32808)
Shift Summary - Owl
TITLE: 12/21 Owl Shift: 08:00-16:00 UTC (00:00-08:00 PST), all times posted in UTC
STATE of H1: Observing at 71.7255Mpc
INCOMING OPERATOR: Jim
SHIFT SUMMARY:
Quiet , glitch free night. Livingston reported some possible artifacts from maintenance day causing sporadic lock stretches.
LOG:
- 08:38UTC restarted lock clock. It had been frozen since the last 4+hr lock
- EX Temp is High Alarm @ 14:55:00, 15:30:15. Some temp data is listed below in screenshots.
- 15:58 Out of Observing to run a2l script while Livingston is doing some WFS investigations regarding their short lock stretches. Some measurement progressions are listed below including the latest post-a2l script screenshot.
Images attached to this report
Comments related to this report
Re EX temperatures;
I have made adjustments at both EX and EY (lowered heater settings by 1ma). Bubba will adjust chilled water settings tomorrow morning.