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Published online by Cambridge University Press: 07 August 2017
The Brackett α and γ lines of atomic hydrogen, molecular hydrogen H2 v=1-0 S(1) line and [FeII] 1.644 μm line were observed in type 1 and type 2 Seyferts, LINERS, starburst galaxies, and interacting galaxies. For the observations, the Infrared Spectrometer (IRS) with an array of eight InSb detectors was used on the CTIO 4 m and 1.5 m telescopes. The effective size of the slit is 6.8″x4.3″ on the 4 m and 10.3″x20.7″ on the 1.5 m. The resolution of the IRS was 290 km s−1 at 2 μm.