13CO (top) and C18O (bottom) moment zero maps. The contours are drawn at intervals of 10% of the peak starting from 5σ. The continuum position is indicated by the green stars and the arrows show the direction of the red and blue-shifted outflow components taken from the literature (TMC1: 0°; TMR1: 165°; TMC1A: 155°; L1536: None Ohashi et al. 1997a; Hogerheijde et al. 1998; Brown & Chandler 1999). The bottom row show C18O integrated flux maps from the velocity unresolved spectra (typically 1–2 channels) taken within the WideX with contours of 10% of the peak starting from 3σ (~30 mJy beam-1 km s-1). The zero moment maps are obtained by integrating over the velocity ranges [υmin,υmax] = [−3, 11] , [−1, 11] , [−2, 12] , [−2, 12] for TMC1A, TMC1, TMR1, and L1536, respectively.
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