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astro-ph2007
Measuring H-beta BLR Flows in NGC 5548
William F. Welsh, Danielle L. Martino, Go Kawaguchi +1
Using archival International AGN Watch observations we find a correlation between the asymmetry of the H-beta line and the system luminosity: the line becomes bluer as the system g…
astro-ph2007
On Using the Rossiter Effect to Detect Terrestrial Planets
W. F. Welsh, J. A. Orosz
We explore the possibility that the transit signature of an Earth-size planet can be detected in spectroscopic velocity shifts via the Rossiter effect. Under optimistic but not unr…