activity
19962020
most citedH-alpha Imaging of Early-type(Sa-Sab) Spiral Galaxies I

77 citations · 242 across the 20 of their papers we have counts for

collaborators
Showing 2012Show all

1 paper · 1 filter

astro-ph.CO2012★ 8 cited

The Size, Structure and Ionization of the Broad Line Region in NGC 3227

Nick Devereux

Hubble Space Telescope (HST) spectroscopy of the Seyfert 1.5 galaxy, NGC 3227, confirms previous reports that the broad H-alpha emission line flux is time variable, decreasing by a…