Image Details
Caption: Figure 4.
From left to right: continuum-subtracted images of [Ne V] 3426, [O II] 3726, 9, [O III] 4363, and He II 4684. High-ionization line emission in [Ne V] 3426, [O III] 4363, and He II 4684 is observed in not only the nuclear region but also the NE nebula.
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