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Multiwavelength Monitoring of the Dwarf Seyfert 1 Galaxy NGC 4395. I. A Reverberation-Based Measurement of the Black Hole Mass
Bradley M. Peterson, Misty C. Bentz, Louis-Benoit Desroches +8
A reverberation-mapping program on NGC 4395, the least-luminous known Seyfert 1 galaxy, undertaken with the Space Telescope Imaging Spectrograph on the Hubble Space Telescope, yiel…
The Relationship Between Luminosity and Broad-Line Region Size in Active Galactic Nuclei
Shai Kaspi, Dan Maoz, Hagai Netzer +3
We reinvestigate the relationship between the characteristic broad-line region size (R_blr) and the Balmer emission-line, X-ray, UV, and optical continuum luminosities. Our study m…
Variability of Fe II Emission Features in the Seyfert 1 Galaxy NGC 5548
M. Vestergaard, B. M. Peterson
We study the low-contrast Fe II emission blends in the ultraviolet (1250--2200A) and optical (4000--6000A) spectra of the Seyfert 1 galaxy NGC 5548 and show that these features var…