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Fig. 10

image

Average line flux of [OI] 63.18 μm (red), OH 79.12+79.18 (green), CO 144.78 μm (black), o-H2O 78.74 μm (dark blue), and o-H2O 63.32 μm (blue) lines of Class I and II objects with jets and Class II sources with no jets. Most of the TD sources are included within Class II (only disc) objects. The exception is RY Tau (see Sect. 4.1), included in the Class II (disc+jet) group.

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