Infrared Spectroscopy of Nearby Radio Active Elliptical Galaxies

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES(2012)

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摘要
In preparation for a study of their circumnuclear gas we have surveyed 60% of a complete sample of elliptical galaxies within 75 Mpc that are radio sources. Some 20% of our nuclear spectra have infrared emission lines, mostly Paschen lines, Brackett gamma, and [Fe II]. We consider the influence of radio power and black hole mass in relation to the spectra. Access to the spectra is provided here as a community resource.
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关键词
galaxies: elliptical and lenticular, cD,galaxies: nuclei,infrared: general,radio continuum: galaxies
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