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Fig. 2


Maps of main beam brightness temperature integrated from −14 to −5 km s−1 for (a) 12CO (2–1), (b) 12CO (3–2), (c) HCO+ (1–0), and (d) 13CO (3–2). The color bar represents the integrated intensities in units of K km s−1. The integrated intensities have been scaled by a factor of 4/3, 40, and 5 for 12CO (3–2), HCO+ (1–0), and 13CO (3–2), respectively, in order to match the color bar. The three clumpy regions are designated as C1, C2, and C3 in Fig. 2c. In each panel, the green filled circles represent the YSO candidates from Szegedi-Elek et al. (2019) and the two yellow pentagrams represent the two 22 GHz water maser positions discussed in Sect. 3.3. The beam size is shown in the lower left corner of each panel. The (0, 0) offset corresponds to αJ2000 = 22h18m00s.44, δJ2000 = 61°49′03′′.7.

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