Fig. 5

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Total-intensity emission of CO(1–0) near GK Per. The cross marks the position of the nova. Contours are at three, six, and nine times the rms noise level. Left: color map of the CO emission. Right: same CO contours plotted as solid red lines over the W2 image of the field (cf. Fig. 4). The CO emission does not follow the dust emission seen in the W2 image.
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