... emission line S/N estimates of a Seyfert 2 galaxy as a function of exposure time and ... SPECTROSCOPY The spectrum of NGC 1068, a Seyfert 2 galaxy and a prototype of the AGN ...
... For active galaxies at low redshift, we have used the interpolated nuclear spectrum of the highly luminous Seyfert 2 galaxy Markarian 231 as a guide. ...
... Left figure shows an HST STIS G430M spectrum of the nucleus of the Seyfertgalaxy NGC 4151 (PI: J. Hutchings, Programme 7569; see Hutchings et al. ...
... Left figure shows an HST STIS G430M spectrum of the nucleus of the Seyfertgalaxy NGC 4151 (PI: J. Hutchings, Programme 7569; see Hutchings et al. ...
... We are grateful to Dr. M. Nonino for having offered the image of the Seyfertgalaxy. This work has been carried out thanks to a grant of the ``Oss. ...
... We are grateful to Dr. M. Nonino for having o#ered the image of the Seyfertgalaxy. This work has been carried out thanks to a grant of the ``Oss. ...
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... low-luminosity AGN display marked preferences in terms of host type, with (radio-quiet) Seyferts favoring spiral hosts whilst (radio-loud) Radio Galaxies are found exclusively in massive ellipticals, but the evidence for or against such a distinction for ...