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Low-Ionization Emission-Line Regions around the Nucleus of the Seyfert Galaxy NGC 1068

Hattori, Takashi; Ishigaki, Tsuyoshi; Sugai, Hajime +6 more

We present the results of tridimensional spectrophotometric observations of the central region of the Seyfert galaxy NGC 1068 obtained by using Kyoto tridimensional spectrograph I. A brief description of the instrument is presented. We have found the existence of low-ionized gas extending out of the ionization cone. It is characterized by higher (…

Virgo High-Resolution CO Survey: IV. Spiral-Driven Gas Dynamics in the Non-Barred Seyfert Galaxy NGC 4501

Kohno, Kotaro; Koda, Jin; Onodera, Sachiko +1 more

We report on high-resolution interferometer observations of the ¹²CO(J = 1-0) emission in the central 5kpc region of the Seyfert 2 galaxy NGC 4501. The observations were made using the Nobeyama Millimeter Array during a long-term CO line survey of Virgo spirals. The major features are: (1) a nuclear concentration with a radius of r ∼ 5'…