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Published 1994 | metadata_only
Book Section - Chapter

Near- and Mid-IR Imaging of the Nuclear Starburst in NGC 3079


The nearly edge-on Sc galaxy NGC 3079 displays strong nuclear optical emission lines of Ha, Hβ, [NII], [SII], [OI] and [OIII], and has been classified as a LINER based on the widths and relative fluxes of these lines. Observations at a variety of wavelengths have provided evidence for both a weak AGN and a starburst in and around the nucleus. Strong far-infrared emission (Soifer et al. 1987), extended mid-infrared emission (Lawrence et al. 1985), and the presence of a very large mass of molecular gas, nearly 10^(10) M⊙ (Irwin and Sofue 1992), lying within the central kpc, all argue for a central starburst. The high luminosity and small physical size of the nuclear H_2O megamaser (Henkel et al. 1984, Haschick et al. 1990), together with the multi-component 6 cm source within the central 1 pc (Irwin and Seaquist 1988) may imply the presence of an active nucleus.

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© 1994 Springer Science+Business Media Dordrecht.

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August 20, 2023
August 20, 2023