8:00 a.m. Light ring stability in ultra-compact objects. Pedro Vieira Pinto da Cunha*, University of Aveiro & IST-Lisbon University
Emanuele Berti, Johns Hopkins University
Carlos Herdeiro, University Aveiro
(1145-83-1121)
1:30 p.m. Influence of a plasma on the shadows of black holes. Volker Perlick*, ZARM, University of Bremen
Oleg Yu. Tsupko, Space Research Institute, Moscow, Russia
G. S. Bisnovatyi-Kogan, Space Research Institute, Moscow, Russia
(1145-83-1104)