Channel maps of the H77α line integrated over 5 km s-1 windows for the IRS2 region. Around 30–35 km s-1, the edges of the IRS2 region become visible, illustrating the blueshifted cavity discussed in Sect. 3.4. These images demonstrate the presence of outflowing material and are used in Sect. 3.4 to estimate the ionized gas mass loss rate from IRS2. The synthesized beam size is θFWHM ≈ 0.42″.
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