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Fig. 5.
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Position–velocity diagram from our merged maps of 12CO J = 2 − 1 in 89 Her along the direction PA = 150°, corresponding to the nebula equator. The contours are: −40, 40, 80, 160, 320, 640, and 1280 mJy beam−1, with a maximum emission peak of 1.45 mJy beam−1. The dashed lines show the central position and systemic velocity.
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