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- University of ArizonaUS255 papers
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- Center for Astrophysics Harvard & SmithsonianUS124 papers
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55 papers · 1 filter
Non-Gravitational Acceleration of the Active Asteroids
Man-To Hui, David Jewitt
Comets can exhibit non-gravitational accelerations caused by recoil forces due to anisotropic mass loss. So might active asteroids. We present an astrometric investigation of 18 ac…
Mass Constraints of the WASP-47 Planetary System from Radial Velocities
Evan Sinukoff, Andrew W. Howard, Erik A. Petigura +19
We report precise radial velocity (RV) measurements of WASP-47, a G star that hosts three transiting planets in close proximity (a hot Jupiter, a super-Earth and a Neptune-sized pl…
Effects of spatial and temporal noise on a cubic-autocatalytic reaction-diffusion model
Jean-Sebastien Gagnon, David Hochberg, Juan Perez-Mercader
We characterize the influence that external noise, with both spatial and temporal correlations, has on the scale dependence of the reaction parameters of a cubic autocatalytic reac…
Observed asteroid surface area in the thermal infrared
C. R. Nugent, A. Mainzer, J. Masiero +5
The rapid accumulation of thermal infrared observations and shape models of asteroids has led to increased interest in thermophysical modeling. Most of these infrared observations…
Physical Characterization of ~2-meter Diameter Near-Earth Asteroid 2015 TC25: A possible boulder from E-type Asteroid (44) Nysa
Vishnu Reddy, Juan A. Sanchez, William F. Bottke +11
Small near-Earth asteroids (>20 meters) are interesting because they are progenitors for meteorites in our terrestrial collection. Crucial to our understanding of the effectiveness…
The NANOGrav Nine-Year Data Set: Excess Noise in Millisecond Pulsar Arrival Times
M. T. Lam, J. M. Cordes, S. Chatterjee +22
Gravitational wave astronomy using a pulsar timing array requires high-quality millisecond pulsars, correctable interstellar propagation delays, and high-precision measurements of…