aLIGO LHO Logbook

H1 General

cheryl.vorvick@LIGO.ORG - posted 16:22, Saturday 31 August 2019 - last comment - 11:00, Tuesday 03 September 2019(51656)

OPS Eve Transition

TITLE: 08/31 Eve Shift: 23:00-07:00 UTC (16:00-00:00 PST), all times posted in UTC
STATE of H1: Observing at 116Mpc
OUTGOING OPERATOR: Niko
CURRENT ENVIRONMENT:
    SEI_CONF state: WINDY
    Wind: 14mph Gusts, 12mph 5min avg
    Primary useism: 0.04 μm/s
    Secondary useism: 0.07 μm/s
QUICK SUMMARY: H1 in Observe, wind spike to almost 30mph right around shift change, and wind signature has increased on the 0.03-0.1Hz seismometor at EY

Comments related to this report

cheryl.vorvick@LIGO.ORG - 16:29, Saturday 31 August 2019 (51657)

Link

TIDAL UPDATE: plot attached is of 3 days, and there's a hint that tidal is climbing again, though the climb has a hint of being at a slower rate than the previous lock.

Images attached to this comment

peter.king@LIGO.ORG - 18:18, Saturday 31 August 2019 (51658)

Link

Tidal effects might be accentuated by the supermoon that peaked yesterday.  One would expect
this behaviour to dissappear over the next day or so.