For tomorrow’s journal club, Nadine will discuss her recent paper:

Interior structure models of GJ 436b
N. Nettelmann, U. Kramm, R. Redmer, R. Neuhaeuser

http://arxiv.org/abs/1002.4447

and then I will discuss:

The very steep spectrum radio halo in Abell 697
Authors: Giulia Macario, Tiziana Venturi, Gianfranco Brunetti, Daniele
Dallacasa, Simona Giacintucci, Rossella Cassano, Sandro Bardelli, Ramana
Athreya

http://arxiv.org/abs/1004.1515

(probably with reference to other papers on the origin of cluster radio
halos)