XMM monitoring of the state transition of the supersoft source CAL 83 Robert Schwarz Astrophysikalisches Institut Potsdam Jochen Greiner MPE Garching Gloria Sala Uni Barcelona…
XMM monitoring of the state transition of the supersoft source CAL 83 Robert Schwarz Astrophysikalisches Institut Potsdam Jochen Greiner MPE Garching Gloria Sala Uni Barcelona…