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Exciting the TTV Phases of Resonant Sub-Neptunes
Nick Choksi, Eugene Chiang
There are excesses of sub-Neptunes just wide of period commensurabilities like the 3:2 and 2:1, and corresponding deficits narrow of them. Any theory that explains this period rati…
Multiwavelength Vertical Structure in the AU Mic Debris Disk: Characterizing the Collisional Cascade
David Vizgan, A. Meredith Hughes, Evan S. Carter +9
Debris disks are scaled-up analogs of the Kuiper Belt in which dust is generated by collisions between planetesimals. In the "collisional cascade" model of debris disks, dust lost…
A likely flyby of binary protostar Z CMa caught in action
Ruobing Dong, Hauyu Baobab Liu, Nicolas Cuello +16
Close encounters between young stellar objects in star forming clusters are expected to dramatically perturb circumstellar disks. Such events are witnessed in numerical simulations…