activity
19962026
most citedSpace Telescope and Optical Reverberation Mapping Project. II. Swift and HST Reverberation Mapping of the Accretion Disk of NGC 5548

309 citations · 1k across the 41 of their papers we have counts for

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Showing 2001Show all

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astro-ph2001★ 59 cited

Reddening, Emission-Line, and Intrinsic Absorption Properties in the Narrow-Line Seyfert 1 Galaxy Akn 564

D. M. Crenshaw, S. B. Kraemer, T. J. Turner +14

We use Hubble Space Telescope UV and optical spectra of the narrow-line Seyfert 1 (NLS1) galaxy Akn 564 to investigate its internal reddening and properties of its emission-line an…

astro-ph2001★ 73 cited

Multiwavelength Monitoring of the Narrow-Line Seyfert 1 Galaxy Akn 564. II. Ultraviolet Continuum and Emission-line Variability

S. Collier, D. M. Crenshaw, B. M. Peterson +15

We present results of an intensive two-month campaign of approximately daily spectrophotometric monitoring of the narrow-line Seyfert 1 galaxy Akn 564 with HST. The fractional vari…