Astronomy and Astrophysics – Astronomy
Scientific paper
May 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.250..138s&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 250, May 1, 1991, p. 138-143. Research supported by CNP
Astronomy and Astrophysics
Astronomy
41
Active Galactic Nuclei, Forbidden Transitions, Oxygen Spectra, Radiation Distribution, Seyfert Galaxies, Continuous Spectra, Emission Spectra, H Alpha Line, Narrowband
Scientific paper
Narrow-band imagery has been used to detect a cone of radiation in the forbidden O III 5007-A line in the nuclei of NGC 1365 and 7582 with emission directed, respectively, toward the south-east and south-west. Adopting a distance of 20 Mpc to NGC 1365 and 21 Mpc to NGC 7582, with H0 = 75 km/s Mpc, the projected dimensions of the cones are about 1.0 x 1.5 and 1.9 x 1.6 kpc, respectively. The presence of these cones had been previously suggested on the basis of images obtained with the TAURUS Fabry-Perot interferometer and spectroscopic observations, and can be clearly seen in the present images after the subtraction of the continuum emission.
Bonatto Charles J.
Storchi-Bergmann Thaisa
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