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A Pathway for Collisional Planetesimal Growth in the Ice-Dominant Regions of Protoplanetary Disks
Elizabeth Yunerman, Diana Powell, Ruth Murray-Clay
We present a semi-analytic model for the growth, drift, desorption, and fragmentation of millimeter- to meter-sized particles in protoplanetary disks. Fragmentation occurs where pa…
High Angular Resolution Imaging of the V892 Tau Binary System: A New Circumprimary Disk Detection and Updated Orbital Constraints
Christina Vides, Steph Sallum, Josh Eisner +2
We present a direct imaging study of V892 Tau, a young Herbig Ae/Be star with a close-in stellar companion and circumbinary disk. Our observations consist of images acquired via Ke…
Using Lyman- transits to constrain models of atmospheric escape
Ethan Schreyer, James. E. Owen, R. O. Parke Loyd +1
Lyman- transits provide an opportunity to test models of atmospheric escape directly. However, translating observations into constraints on the properties of the escaping atmosp…
Systematic Multi-Epoch Monitoring of LkCa 15: Dynamic Dust Structures on Solar-System Scales
Steph Sallum, Josh Eisner, Andy Skemer +1
We present the highest angular resolution infrared monitoring of LkCa 15, a young solar analog hosting a transition disk. This system has been the subject of a number of direct ima…
Can the orbital distribution of Neptune's 3:2 mean motion resonance result from stability sculpting?
Sricharan Balaji, Nihaal Zaveri, Nanae Hayashi +6
We explore a simplified model of the outcome of an early outer Solar System gravitational upheaval during which objects were captured into Neptune's 3:2 mean motion resonance via s…