A precessing Be disk as a possible model for occultation events in GX 304-1

Matthias Kühnel, Richard E. Rothschild, Atsuo T. Okazaki +14

We report on the RXTE detection of a sudden increase in the absorption column density, $N_{\mathrm{H}}$, during the 2011 May outburst of GX 304-1. The $N_{\mathrm{H}}$ increased up to…