Mercury's exosphere as seen by BepiColombo/PHEBUS visible channels during the first two flybys.

Rozenn Robidel1, Eric Quemerais1, Dimitra Koutroumpa1, Jean-Yves Chaufray1, Francois Leblanc1 and The BepiColombo Probing of Hermean Environment By Ultraviolet Spectroscopy Team, (1)LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales, Paris Cedex 05, France