Fig. 1
NOEMA maps per velocity channel of 12CO J = 2–1 emission from AC Her. The beam size (HPBW) is 0.″35 × 0.″35. The contour spacing is logarithmic: ±9, 18, 36, 76, and 144 mJy beam−1 with a maximum emission peak of 230 mJy beam−1. The LSR velocity is indicated in the upper left corner of each velocity-channel panel and the beam size is shown in the last panel.
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