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This paper presents an adaptable, parallelizable method for subtractinglinearly coupled noise from Advanced LIGO data. We explain the featuresdeveloped to ensure that the process is robust enough to handle the variabilitypresent in Advanced LIGO data. In this work, we target subtraction of noise dueto beam jitter, detector calibration lines, and mains power lines. Wedemonstrate noise subtraction over the entirety of the second observing run,resulting in increases in sensitivity comparable to those reported in previoustargeted efforts. Over the course of the second observing run, we see a 30%increase in Advanced LIGO sensitivity to gravitational waves from a broad rangeof compact binary systems. We expect the use of this method to result in ahigher rate of detected gravitational-wave signals in Advanced LIGO data.

Improving the Sensitivity of Advanced LIGO Using Noise Subtraction