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Paper: Distribution of Molecules in the Circumnuclear Disk and Surrounding Starburst Ring in the Seyfert Galaxy NGC 1068 Observed with ALMA
Volume: 499, Revolution in Astronomy with ALMA: The Third Year
Page: 99
Authors: Takano, S.; Nakajima, T.; Kohno, K.; Harada, N.; Herbst, E.; Tamura, Y.; Izumi, T.; Taniguchi, A.; Tosaki, T.
Abstract: We report distributions of several molecular transitions including shock and dust related species (13CO and C18O J = 1–0, 13CN N = 1–0, CS J = 2–1, SO JN = 32–21, HNCO JKa,Kc = 50,5–40,4, HC3N J = 11–10, 12–11, CH3OH JK = 2K–1K, and CH3CN JK = 6K–5K) in the nearby Seyfert 2 galaxy NGC 1068 observed with ALMA. The central ∼1' (∼4.3 kpc) of this galaxy was observed in the 100 GHz region with an angular resolution of ∼4" x 2" (290 pc x 140 pc) to study the effects of an active galactic nucleus and its surrounding starburst ring on molecular abundances. We report a classification of molecular distributions into three main categories. Organic molecules such as CH3CN are found to be concentrated in the circumnuclear disk. In the starburst ring, the intensity of methanol at each clumpy region is not consistent with that of 13CO.
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