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The Ionized Gas and Nuclear Environment in NGC 3783. IV. Variability and Modeling of the 900 ks CHANDRA Spectrum
H. Netzer, S. Kaspi, E. Behar +12
We present a detailed spectral analysis of the data obtained from NGC 3783 during the period 2000-2001 using Chandra. This analysis leads us to the following results. 1) NGC 3783 f…
The Host Galaxies of Narrow-Line Seyfert 1s: Evidence for Bar-Driven Fueling
D. M. Crenshaw, S. B. Kraemer, J. R. Gabel
We present a study of the host-galaxy morphologies of narrow- and broad-line Seyfert 1 galaxies (NLS1s and BLS1s) based on broad-band optical images from the Hubble Space Telescope…
Elemental Abundances in NGC 3516
T. J. Turner, S. B. Kraemer, R. F. Mushotzky +2
We present RGS data from an XMM-Newton observation of the Seyfert 1 galaxy NGC 3516, taken while the continuum source was in an extreme low state. The spectrum shows numerous emiss…
Simultaneous UV and X-ray Spectroscopy of the Seyfert 1 Galaxy NGC 5548. I. Physical Conditions in the UV Absorbers
D. M. Crenshaw, S. B. Kraemer, J. R. Gabel +9
We present new UV spectra of the nucleus of the Seyfert 1 galaxy NGC 5548, which we obtained with the Space Telescope Imaging Spectrograph at high spectral resolution, in conjuncti…