activity
19972023
most citedThe Ionized Gas and Nuclear Environment in NGC 3783. I. Time-Averaged 900 ks Chandra Grating Spectroscopy

328 citations · 3.7k across the 83 of their papers we have counts for

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Showing 2014Show all

5 papers · 1 filter

astro-ph.GA2014★ 26 cited

A Minor Merger Caught In The Act Of Fueling The AGN In Mrk 509

T. C. Fischer, D. M. Crenshaw, S. B. Kraemer +3

In recent observations by the Hubble Space Telescope (HST) as part of a campaign to discover locations and kinematics of AGN outflows, we found that Mrk 509 contains a 3 ($\sim…

astro-ph.GA2014★ 25 cited

Physical Conditions in the X-ray Emission-line Gas in NGC 1068

S. B. Kraemer, N. Sharma, T. J. Turner +2

We present a detailed, photoionization modeling analysis of XMM-Newton/Reflection Grating Spectrometer observations of the Seyfert 2 galaxy NGC 1068. The spectrum, previously analy…

astro-ph.HE2014★ 17 cited

Long-term X-ray stability and UV variability of the ionized absorption in NGC 3783

A. E. Scott, W. N. Brandt, E. Behar +6

We present the results of recent Chandra High-Energy Transmission Grating Spectrometer and Hubble Space Telescope Cosmic Origins Spectrograph observations of the nearby Seyfert 1 g…

astro-ph.GA2014★ 25 cited

Spatially-Resolved Spectra of the "Teacup" AGN: Tracing the History of a Dying Quasar

J. P. Gagne, D. M. Crenshaw, S. B. Kraemer +6

The Sloan Digital Sky Survey (SDSS) Galaxy Zoo project has revealed a number of spectacular galaxies possessing Extended Emission-Line Regions (EELRs), the most famous being Hanny'…

astro-ph.GA2014★ 24 cited

Theoretical Modeling of Emission-Line galaxies: New Classification Parameters for Mid-Infrared and Optical Spectroscopy

M. Meléndez, T. M. Heckman, M. Martínez-Paredes +2

We have carried out extensive and detailed photoionization modeling to successfully constrain the locations of different emission-line galaxies in optical and mid-infrared diagnost…