Observation of enhanced X-ray emission from the CTTS AA Tau during a transit of an accretion funnel

Nicolas Grosso, Jérôme Bouvier, Thierry Montmerle +3

AA Tau was observed for about 5h per XMM orbit (2 days) over 8 successive orbits, which covers two optical eclipse periods (8.2 days). The XMM optical/UV monitor simultaneously pro…