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Disruption of a Proto-Planetary Disk by the Black Hole at the Milky Way Centre
Ruth A. Murray-Clay, Abraham Loeb
Recently, an ionized cloud of gas was discovered plunging toward the supermassive black hole, SgrA*, at the centre of the Milky Way. The cloud is being tidally disrupted along its…
Neptune on tiptoes: dynamical histories that preserve the cold classical Kuiper belt
Schuyler Wolff, Rebekah I. Dawson, Ruth A. Murray-Clay
The current dynamical structure of the Kuiper belt was shaped by the orbital evolution of the giant planets, especially Neptune, during the era following planet formation, when the…
On the misalignment of the directly imaged planet β Pictoris b with the system's warped inner disk
Rebekah I. Dawson, Ruth A. Murray-Clay, Daniel C. Fabrycky
The vertical warp in the debris disk Beta Pictoris -- an inclined inner disk extending into a flat outer disk -- has long been interpreted as the signpost of a planet on an incline…
The effects of snowlines on C/O in planetary atmospheres
Karin I. Oberg, Ruth Murray-Clay, Edwin A. Bergin
The C/O ratio is predicted to regulate the atmospheric chemistry in hot Jupiters. Recent observations suggest that some exo-planets, e.g. Wasp 12- b, have atmospheric C/O ratios su…
Fragment Production and Survival in Irradiated Disks: A Comprehensive Cooling Criterion
Kaitlin M. Kratter, Ruth A. Murray-Clay
Accretion disks that become gravitationally unstable can fragment into stellar or sub-stellar companions. The formation and survival of these fragments depends on the precarious ba…
Wind-shearing in gaseous protoplanetary disks and the evolution of binary planetesimals
Hagai B. Perets, Ruth A. Murray-Clay
One of the first stages of planet formation is the growth of small planetesimals. This early stage occurs much before the dispersal of most of the gas from the protoplanetary disk.…