¶ Helix
Description:
Helix glitches are a category of glitches identified through Gravity Spy that span a wide range of frequencies and like a vortex, or helical structure, from the side. They appeared during the first observing run (O1) of Advanced LIGO.
Cause:
A malfunction of the power supplies for auxiliary lasers (called Photon Calibrators) that are used to push the LIGO mirrors by known amounts to calibrate our detectors.
Status:
Extinct, now a
museum exhibit.
Examples:
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Audio Example:
Make sure to wear good headphones!
More Information: