Publicación
Broad- and narrow-band imaging of the CfA Seyfert sample.
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PublicaciónCCD photometry of Seyfert galaxiesMorphology and elliptically averaged luminosity profiles have been derived from CCD surface photometry of thirteen Seyfert galaxies. Apparent V and I magnitudes...
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PublicaciónComplex ionization structure and kinematics in the circumnuclear region of NGC 3227We present bidimensional spectroscopy of the circumnuclear region of the Seyfert galaxy NGC 3227. The physical and kinematical characteristics of the two...
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PublicaciónCones of ionizing radiation in Seyfert galaxies: probing the central engine.Highly ionized large scale structures have recently been observed in many active galaxies. There is evidence that photoionization by the active nucleus may be...
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PublicaciónDust in the nuclei of the Seyfert galaxies Markarian 231 and NGC 4151Observations carried out with a 8-13 micron grating-spectrometer of Mrk 231 and NGC 4151 are reported. The Mrk 231 data can be fitted to various thermal dust...
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PublicaciónExtended FAR IR Emission in Seyfert GalaxiesFar IR (90 microns) ISO Maps of four Seyfert galaxies are presented. We find that the Far Infrared emission is extended in all cases out to radii comparable to...
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PublicaciónExtended ionized emission from Seyfert galaxiesPreliminary results of a program aimed at investigating the presence of H II regions around Seyfert nuclei are presented. Extended zones of ionized gas have...
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PublicaciónExtended line emission in AGN: Looking at the central engineThe regions of high excitation gas detected around various Active Galactic Nuclei (AGN) are examined. The radiation emitted by the nucleus may be responsible...
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PublicaciónExtended nonnuclear infrared emission from Seyfert galaxiesThe IRAS observations of well-known Seyfert galaxies have been studied in comparison with previously published ultraviolet and mid-infrared data. The mid- and...