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NIR imaging spectroscopy of the inner few arcseconds of NGC 4151 with OSIRIS at Keck
Christof Iserlohe, Alfred Krabbe, James E. Larkin +5
We present H- and K-band data from the inner arcsecond of the Seyfert 1.5 galaxy NGC 4151 obtained with the adaptive optics assisted near-infrared imaging field spectrograph OSIRIS…
Discovery of an Intermediate Mass Black Hole at the center of the starburst/Seyfert composite galaxy IRAS 01072+4954
M. Valencia-S., A. Eckart, J. Zuther +8
The starburst/Seyfert composite galaxy IRAS 01072+4954 (z=0.0236) is an enigmatic source that combines a Seyfert~1-like X-ray emission with a starburst optical spectrum that lacks…
Are Narrow Line Seyfert 1s a special class of Active Galactic Nuclei?
M. Valencia-S., J. Zuther, A. Eckart +12
No. Due to their apparently extreme optical to X-ray properties, Narrow Line Seyfert 1s (NLSy1s) have been considered a special class of active galactic nuclei (AGN). Here, we summ…
Is IRAS 01072+4954 a True-Seyfert 2? Hints from Near Infrared Integral Field Spectroscopy
M. Valencia-S., J. Zuther, A. Eckart +4
In contrast to the predictions of the unified model, some X-ray unobscured Seyfert 2 galaxies have been discovered in the last decade. One of them, the starburst/Seyfert composite…