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Rare brown dwarf discovery provides benchmark for future exoplanet research

Direct image detection of a rare brown dwarf companion taken at Keck Observatory (Crepp et al. 2014, ApJ)

A team of researchers led by Justin R. Crepp, the Freimann Assistant Professor of Physics at the University of Notre Dame, has directly imaged a very rare type of brown dwarf that can serve as a benchmark for studying objects with masses that lie between stars and planets. The team’s paper on the discovery, “The TRENDS High-Contrast Imaging Survey. V. Discovery of an Old and Cold Benchmark T-dwarf Orbiting the Nearby G-star HD 19467,” was recently published in The Astrophysical Journal.

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