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Where are the Mini Kreutz-family Comets?
Quan-Zhi Ye, Man-To Hui, Rainer Kracht +1
The Kreutz family of sungrazing comets contains over 2~000 known members, many of which are believed to be under ~m sizes (\textit{mini~comets}) and have only been studie…
Meteoroid impacts onto asteroids: a competitor for Yarkovsky and YORP
Paul A. Wiegert
<Abridged> The impact of a meteoroid onto an asteroid transfers linear and angular momentum to the larger body, which may affect its orbit and its rotational state. Here we show th…
Using Photometry to Probe the Circumstellar Environment of delta Scorpii
C. E. Jones, Paul Wiegert, C. Tycner +4
We acquired Johnson BV photometry of the binary Be disk system delta~Scorpii during its 2009, 2010, 2011, and 2012 observing seasons and used it to probe the innermost regions of t…
Hyperbolic meteors: interstellar or generated locally via the gravitational slingshot effect?
Paul A. Wiegert
The arrival of solid particles from outside our solar system would present us with an invaluable source of scientific information. Attempts to detect such interstellar particles am…