Upcoming & Recent Presentations

  • Tue, Jan 28
    American Museum of Natural History
    Jan 28, 2020, 12:00 PM
    American Museum of Natural History, Central Park West & 79th St, New York, NY 10024, USA
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  • Dec 13, 2019, 12:00 PM
    5241 Broad Branch Rd NW, 5241 Broad Branch Rd NW, Washington, DC 20015, USA
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  • Thu, Dec 12
    NASA Goddard Space Flight Center
    Dec 12, 2019, 12:00 PM
    NASA Goddard Space Flight Center, 8800 Greenbelt Rd, Greenbelt, MD 20771, USA
    Cannibal Stars: Engulfed Planets -- what are the engulfment signatures produced by planetary engulfment events and what insights might they reveal?
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  • Mon, Nov 25
    Harvard-Smithsonian Center for Astrophys
    Nov 25, 2019, 12:00 PM
    Harvard-Smithsonian Center for Astrophys, 60 Garden St, Cambridge, MA 02138, USA
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  • Nov 23, 2019, 3:00 PM
    Princeton University, Princeton, NJ 08544, USA
    I will give a 30-minute talk entitled Ethical Concerns for a Spacefaring Civilization.
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  • Mon, Nov 04
    University of California Santa Cruz
    Nov 04, 2019, 12:00 PM PST
    University of California Santa Cruz, 1156 High St, Santa Cruz, CA 95064, USA
    Why are engulfment signatures important to planet formation theory? I discuss the value of employing a forensic spectral analysis to cannibal stars in an effort to constrain planet formation models.
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  • Oct 29, 2019, 3:00 PM PDT
    University of Michigan, 500 S State St, Ann Arbor, MI 48109, USA
    I will share my latest results on the chemical signatures produced by planetary engulfment. Are such signatures statistically significant? Do they survive for appreciable timescales? Yes and yes, but only in a subset of planet-star systems. I'll tell you which ones!
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  • Thu, Oct 24
    University of Wisconsin-Madison
    Oct 24, 2019, 3:30 PM
    University of Wisconsin-Madison, Madison, WI 53706, USA
    Open Cluster Variables: Evasive, Invaluable Probes In this talk I'll discuss the merit of open cluster searches and the remarkable periodic variables therein. I put special focus on my hunt for rapidly rotating stars.
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updated 01/2021