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22 papers · 2 filters
Terrestrial Planets Formation around Circumbinary Habitable Zone: Inward Migration in the Planetesimal Swarm
Yan-Xiang Gong, Ji-Lin Zhou, Ji-Wei Xie
According to the core accretion theory, circumbinary embryos can form only beyond a critical semimajor axis (CSMA). However, due to the relatively high density of solid materials i…
Millimeter Emission Structure in the first ALMA Image of the AU Mic Debris Disk
Meredith A. MacGregor, David J. Wilner, Katherine A. Rosenfeld +9
We present 1.3 millimeter ALMA Cycle 0 observations of the edge-on debris disk around the nearby, ~10 Myr-old, M-type star AU Mic. These observations obtain 0.6 arcsec (6 AU) resol…
Exoplanets from the Arctic: The First Wide-Field Survey at 80 Degrees North
Nicholas M. Law, Raymond Carlberg, Pegah Salbi +6
Located within 10 degrees of the North Pole, northern Ellesmere Island offers continuous darkness in the winter months. This capability can greatly enhance the detection efficiency…
A search for transits of GJ 581\lowercase{e} and characterization of the host star variability using MOST space telescope photometry
Diana Dragomir, Jaymie M. Matthews, Rainer Kuschnig +7
The GJ 581 system has been amply studied since its discovery in 2005: the number of known planets in the system has increased and their orbital parameters are among the most precis…
Assembly of Protoplanetary Disks and Inclinations of Circumbinary Planets
Francois Foucart, Dong Lai
The Kepler satellite has discovered a number of transiting planets around close binary stars. These circumbinary systems have highly aligned planetary and binary orbits. In this pa…
Direct Imaging Confirmation and Characterization of a Dust-Enshrouded Candidate Exoplanet Orbiting Fomalhaut
Thayne Currie, John Debes, Timothy J. Rodigas +6
We present Subaru/IRCS J band data for Fomalhaut and a (re)reduction of archival 2004--2006 HST/ACS data first presented by Kalas et al. (2008). We confirm the existence of a candi…