Reports until 03:18, Sunday 14 April 2019
H1 General
cheryl.vorvick@LIGO.ORG - posted 03:18, Sunday 14 April 2019 (48474)
OPS Owl Transition, and violin plots, 3rd harmonics rung up

TITLE: 04/14 Owl Shift: 07:00-15:00 UTC (00:00-08:00 PST), all times posted in UTC
STATE of H1: Observing at 110Mpc
OUTGOING OPERATOR: TJ
CURRENT ENVIRONMENT:
    Wind: 10mph Gusts, 8mph 5min avg
    Primary useism: 0.03 μm/s
    Secondary useism: 0.36 μm/s
QUICK SUMMARY:  locked when I arrived, looked at violins, put in Observe

Since going to Observe, looked at 1st, 2nd, and 3rd violin harmonics, and 3rd harmonics are rung up.  Attached are plots of each violin harmonic and the spectrum from 1Hz to 1600Hz.

 

Images attached to this report