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Hidden Planets: Implications from 'Oumuamua and DSHARP
Malena Rice, Gregory Laughlin
The discovery of 'Oumuamua (1I/2017 U1), the first interstellar interloper, suggests an abundance of free-floating small bodies whose ejection into galactic space cannot be explain…
Frequency of planets orbiting M dwarfs in the Solar neighbourhood
M. Tuomi, H. R. A. Jones, R. P. Butler +14
The most abundant stars in the Galaxy, M dwarfs, are very commonly hosts to diverse systems of low-mass planets. Their abundancy implies that the general occurrence rate of planets…
Signatures of Obliquity in Thermal Phase Curves of Hot Jupiters
Arthur D. Adams, Sarah Millholland, Gregory P. Laughlin
Recent work suggests that many short-period extrasolar planets may have spin obliquities that are significantly tilted with respect to their orbital planes. These large obliquities…
The Case for a Large-Scale Occultation Network
Malena Rice, Gregory Laughlin
We discuss the feasibility of and present initial designs and approximate cost estimates for a large () network of small photometric telescopes that is purpose-built to…
On the Anomalous Acceleration of 1I/2017 U1 `Oumuamua
Darryl Seligman, Gregory Laughlin, Konstantin Batygin
We show that the photometric period and the astrometrically measured non-gravitational acceleration (at $r\sim1…
Obliquity-Driven Sculpting of Exoplanetary Systems
Sarah Millholland, Gregory Laughlin
NASA's Kepler mission revealed that of Solar-type stars harbor planets with sizes between that of Earth and Neptune on nearly circular and co-planar orbits with periods…