¶ Paired Doves
Description:
Paired doves glitches appear at low frequency, and look somewhat like chirps, but they alternate between increasing in frequency and decreasing in frequency.
These glitches were identified by volunteers of the Gravity Spy project, and are believed to have been related to 0.4 Hz motion of the beamsplitter at LIGO Hanford.
Cause:
Beamsplitter motion at LIGO Hanford.
Status:
Extinct.
Examples:
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Audio Example:
Make sure to wear good headphones!
More Information: