Home > Astronomy, Astrophysics, Brown Dwarves, Exoplanets, General Astronomy > Rare Brown Dwarf Discovery Provides Benchmark For Future Exoplanet Research

Rare Brown Dwarf Discovery Provides Benchmark For Future Exoplanet Research


CREDIT: CREPP ET AL. 2014, APJ

CREDIT: 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. Their paper on the discovery was published recently in Astrophysical Journal.

Initial data came from the TRENDS (TaRgetting bENchmark-objects with Doppler Spectroscopy) high-contrast imaging survey that uses adaptive optics and related technologies to target older, faint objects orbiting nearby stars, and precise measurements were made at the W. M. Keck Observatory on the summit of Mauna Kea, Hawaii. Brown dwarfs emit little light because they do not burn hydrogen and cool rapidly. Crepp said they could provide a link between our understanding of low-mass stars and smaller objects such as planets.

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