846 citations · 6.8k across the 94 of their papers we have counts for
4 papers · 1 filter
The Size of the Narrow-Line Emitting Region in the Seyfert 1 Galaxy NGC 5548 from Emission-Line Variability
B. M. Peterson, K. D. Denney, G. De Rosa +8
The narrow [O III] 4959, 5007 emission-line fluxes in the spectrum of the well-studied Seyfert 1 galaxy NGC 5548 are shown to vary with time. From this we show that the narrow line…
Stellar Velocity Dispersion Measurements in High-Luminosity Quasar Hosts and Implications for the AGN Black Hole Mass Scale
C. J. Grier, P. Martini, L. C. Watson +7
We present new stellar velocity dispersion measurements for four luminous quasars with the NIFS instrument and the ALTAIR laser guide star adaptive optics system on the Gemini Nort…
Discovery of a Large Population of Ultraluminous X-ray Sources in the Bulge-less Galaxies NGC 337 and ESO 501-23
Garrett Somers, Smita Mathur, Paul Martini +3
We have used Chandra observations of eight bulge-less disk galaxies to identify new ultraluminous X-ray source (ULX) candidates, study their high mass X-ray binary (HMXB) populatio…
The Low-Luminosity End of the Radius-Luminosity Relationship for Active Galactic Nuclei
Misty C. Bentz, Kelly D. Denney, Catherine J. Grier +15
We present an updated and revised analysis of the relationship between the Hbeta broad-line region (BLR) radius and the luminosity of the active galactic nucleus (AGN). Specificall…