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Orbital Motion of the Wide Planetary-Mass Companion GSC 6214-210 b: No Evidence for Dynamical Scattering
Logan A. Pearce, Adam L. Kraus, Trent J. Dupuy +5
Direct-imaging exoplanet surveys have discovered a class of 5-20 \Mjup\space substellar companions at separations >100 AU from their host stars, which present a challenge to planet…
Angular Sizes and Effective Temperatures of O-type Stars from Optical Interferometry with the CHARA Array
Kathryn D. Gordon, Douglas R. Gies, Gail H. Schaefer +3
We present interferometric observations of six O-type stars that were made with the Precision Astronomical Visible Observations (PAVO) beam combiner at the Center for High Angular…
Astrometric Interferometry
Michael J. Ireland, Julien Woillez
Astrometry is a powerful technique in astrophysics to measure three-dimensional positions of stars and other astrophysical objects, including exoplanets and the gravitational influ…
Discovery of δ Scuti Pulsations in the Young Hybrid Debris Disk Star HD 156623
Samuel N. Mellon, Eric E. Mamajek, Konstanze Zwintz +11
The bRing robotic observatory network was built to search for circumplanetary material within the transiting Hill sphere of the exoplanet Pic b across its bright host star …
Imaging the disc rim and a moving close-in companion candidate in the pre-transitional disc of V1247 Orionis
Matthew Willson, Stefan Kraus, Jacques Kluska +17
V1247 Orionis harbours a pre-transitional disc with a partially cleared gap. Earlier interferometric and polarimetric observations revealed strong asymmetries both in the gap regio…
How to Constrain Your M dwarf II: the mass-luminosity-metallicity relation from 0.075 to 0.70
Andrew W. Mann, Trent Dupuy, Adam L. Kraus +11
The mass-luminosity relation for late-type stars has long been a critical tool for estimating stellar masses. However, there is growing need for both a higher-precision relation an…