Clumpy Accretion As a Possible Cause of Prolonged Eclipses in UX Ori Stars

We propose a model of deep and prolonged eclipses in young UX Ori stars. Some of these events last for decades and existing models cannot explain them. We show that such eclipses can be caused by the infall of gas and dust clumps from the remnants of the protostellar cloud onto the protoplanetary di...

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