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Fig. 4
Superimposition of the CN N = 2−1 emission (in red contours) over the continuum emission (in grey scale) in IRAS 04302+2247. Contour levels are 2, 4, 6, 8σ for CN, and 2, 4, 8, 16 and 32σ for the 1.4 mm continuum emission.
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