A one-of-a-kind star found to change over decades

Astronomers studying the unique binary star system AR Scorpii have discovered the brightness of the system has changed over the past decade. The new evidence lends support to an existing theory of how the unusual star emits energy. AR Scorpii consists of a rapidly spinning, magnetized white dwarf star that mysteriously interacts with its companion star. The system was recently found to more than double in brightness on timescales of minutes and hours, but research recently published in The Astrophysical Journal Letters found variability on a timescale of decades.

A one-of-a-kind star found to change over decades

Astronomers studying the unique binary star system AR Scorpii have discovered the brightness of the system has changed over the past decade. The new evidence lends support to an existing theory ...

Tue 12 Sep 17 from Phys.org

A one-of-a-kind star found to change over decades, Tue 12 Sep 17 from Science Blog

A One-of-a-Kind Star Found to Change Over Decades, Tue 12 Sep 17 from Newswise

A one-of-a-kind star found to change over decades, Tue 12 Sep 17 from Eurekalert

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