105 citations · 195 across the 4 of their papers we have counts for
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astro-ph.CO2009★ 28 cited
Comparing X-ray and Dynamical Mass Profiles in the Early-Type Galaxy NGC 4636
Ria Johnson, Dalia Chakrabarty, Ewan O'Sullivan +1
We present the results of an X-ray mass analysis of the early-type galaxy NGC 4636, using Chandra data. We have compared the X-ray mass density profile with that derived from a dyn…
astro-ph.CO2009★ 39 cited
A statistical analysis of the Two Dimensional XMM-Newton Group Survey: The impact of feedback on group properties
Ria Johnson, Trevor J. Ponman, Alexis Finoguenov
(abridged) We present a statistical analysis of 28 nearby galaxy groups from the Two-Dimensional XMM-Newton Group Survey (2dXGS). We focus on entropy and the role of feedback, divi…