Dipper disks not inclined towards edge-on orbits

11 Sep 2017 Ansdell M. Gaidos E. Williams J. P. Kennedy G. Wyatt M. C. LaCourse D. M. Jacobs T. L. Mann A. W.

The so-called "dipper" stars host circumstellar disks and have optical and infrared light curves that exhibit quasi-periodic or aperiodic dimming events consistent with extinction by transiting dusty structures orbiting in the inner disk. Most of the proposed mechanisms explaining the dips---i.e., occulting disk warps, vortices, and forming planetesimals---assume nearly edge-on viewing geometries... (read more)

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  • EARTH AND PLANETARY ASTROPHYSICS