Speckle imaging of NGC 1068 and NGC 4151 in the forbidden O III 5007 A line and nearby continuum

Details Speckle imaging of NGC 1068 and NGC 4151 in the forbidden O III 5007 A line and nearby continuum Speckle imaging of NGC 1068 and NGC 4151 in the forbidden O III 5007 A line and nearby continuum

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...336..103e&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 336, Jan. 1, 1989, p. 103-111.

Astronomy and Astrophysics

Astrophysics

30

Active Galactic Nuclei, Forbidden Bands, Image Processing, Seyfert Galaxies, Speckle Patterns, Emission Spectra, Line Spectra, Very Large Array (Vla)

Scientific paper

Images of NGC 1068 and NGC 4151 in the forbidden O III 5007 A emission line and nearby continuum are presented with about 0.3 arcsec resolution. The images are reconstructed using recently developed speckle imaging techniques. Each object shows a bipolar extended structure in the emission line with lobes extending about 0.4 arcsec from an apparently unresolved central source. The unresolved component emits about half the flux and is smaller than single-density photoionization models predict.

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