218 citations · 551 across the 4 of their papers we have counts for
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2 papers · 1 filter
astro-ph.GA2014★ 98 cited
Reverberation Mapping of the Seyfert 1 Galaxy NGC 7469
B. M. Peterson, C. J. Grier, Keith Horne +43
A large reverberation mapping study of the Seyfert 1 galaxy NGC 7469 has yielded emission-line lags for Hbeta 4861 and He II 4686 and a central black hole mass measurement of about…
astro-ph.GA2012★ 39 cited
The Neutral Hydrogen Bridge between M31 and M33
Felix J. Lockman, Nicole L. Free, Joseph C. Shields
The Green Bank Telescope has been used to search for 21cm HI emission over a large area between the galaxies M31 and M33 in an attempt to confirm at 9.1 arcmin angular resolution t…