NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-08-18 T13:06:33 PDT
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For refcode 2000ApJS..129...93F:
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NED Abstract

Copyright by American Astronomical Society. Reproduced by permission
2000ApJS..129...93F The Nature of Composite LINER/H II Galaxies as Revealed from High-Resolution VLA Observations Mercedes E. Filho Lisbon Observatory and Kapteyn Astronomical Institute, P.O. Box 800, NL-9700 AV Groningen, The Netherlands Peter D. Barthel Kapteyn Astronomical Institute, P.O. Box 800, NL-9700 AV Groningen, The Netherlands and Luis C. Ho Observatories of the Carnegie Institution of Washington, 813 Santa Barbara Street, Pasadena, CA 91101 Received 1999 December 9; accepted 2000 February 22 ABSTRACT A sample of 37 nearby galaxies displaying composite LINER/H II and pure H II spectra was observed with the VLA in an investigation of the nature of their weak radio emission. The resulting radio contour maps overlaid on optical galaxy images are presented here, together with an extensive literature list and discussion of the individual galaxies. Radio morphological data permit assessment of the "classical active galactic nucleus (AGN)" contribution to the global activity observed in these "transition" LINER galaxies. One in five of the latter objects display clear AGN characteristics: these occur exclusively in bulge-dominated hosts. Subject headings: galaxies: active-galaxies: nuclei-galaxies: Seyfert-radio continuum: galaxies
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