nutsinee.kijbunchoo@LIGO.ORG - posted 22:08, Friday 13 January 2017 - last comment - 23:15, Friday 13 January 2017(33250)
Fast range deterioration coincides with funny 10-30Hz seismic activity
About 2 hours into this lock stretch the range started to drop very fast. About the same time 10-30 Hz seismic activity (LVEA vertex) is behaving funny. I don't believe that it's real (no one is out there). I don't see funny things in magnetometers. Still looking for more clues. Electronics related?
Images attached to this report
Comments related to this report
The temperature is dipping a couple of degrees in the LVEA again. This morning, Bubba had to turn on some extra heat in the LVEA, which was close to the time of the drop in range. Are some new fans getting turned on somehwhere producing extra seismic noise??
If that's the case shouldn't we see this behavior more often in the past 24 hours?
The weird glitches have stopped but the range doesn't recover. They seem to be 15 minutes spacing.
Images attached to this comment
