The Opposite of Big: An introduction to low-mass stellar companions

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Date/Time:Friday, 02 Apr 2010 from 4:10 pm to 5:10 pm
Location:3 Physics Hall
Phone:515-294-2298
Channel:Astronomy
Categories:Lectures
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Alan Hulsebus, Iowa State University

Recent advances in observing techniques intended to find planets outside of our solar system have made possible the search for objects that were previously extremely difficult to detect: brown dwarfs.
These objects are larger in mass than planets but smaller than true stars. Two types of low-mass objects are particularly interesting: so- called "L" and "T" dwarfs. This talk will be an introduction to these objects and the techniques used to discern their properties.