Image Details
Caption: Figure 4.
Spatially integrated spectrum of the 12CO( J = 1–0) (taken from Schinnerer et al. 2000), 12CO( J = 2–1) and 12CO( J = 3–2) (left column), and HCN( J = 3–2) and HCO +( J = 4–3) emission over the eastern knot (E-knot; blue dotted line) and western knot (W-knot; red solid line) component of NGC 1068.
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