238 citations · 4.7k across the 71 of their papers we have counts for
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astro-ph2003★ 199 cited
On the Continuing Formation of the Andromeda Galaxy: Detection of HI Clouds in the M31 Halo
David A. Thilker, Robert Braun, Rene A. M. Walterbos +4
Green Bank Telescope (GBT) 21cm observations have revealed a faint, yet extensive HI cloud population surrounding the Andromeda Galaxy (M31). The newfound objects are likely analog…
astro-ph2003★ 30 cited
The WSRT wide-field HI survey: I. The background galaxy sample
Robert Braun, David Thilker, Rene Walterbos
We have used the Westerbork array to carry out an unbiased wide-field survey for HI emission features, achieving an RMS sensitivity of about 18 mJy/Beam at a velocity resolution of…