9. Normalised spectrogramΒΆ

This example shows a normalised spectrogram of the strain data from LIGO-Hanford around the time of GW150914.

gwpy-plot spectrogram \
    --gwosc \
    --ifo L1 \
    --start 1264315518 \
    --duration 1024 \
    --norm \
    --cmap Spectral_r \
    --imin .25 \
    --imax 4 \
    --interactive

(png)

Normalised spectrogram