Tag Archive for 'AR Scorpii'

This artist’s impression shows AR Scorpii. In this unique double star a rapidly spinning white dwarf star (right) powers electrons up to almost the speed of light. These high energy particles release blasts of radiation that lash the companion red dwarf star (left) and cause the entire system to pulse dramatically every 1.97 minutes with radiation ranging from the ultraviolet to radio. Image credit: M. Garlick / University of Warwick / ESO.

Astronomers Discover Second-Ever White Dwarf Pulsar

Jun 19, 2023 by News Staff

White dwarf pulsars include a rapidly spinning, burnt-out stellar remnant called a white dwarf, which lashes a companion red dwarf with powerful beams...

Astronomers Find First Ever White Dwarf Pulsar

Feb 13, 2017 by News Staff

Astronomers have identified AR Scorpii — a binary stellar system in the constellation Scorpius, 380 light-years from Earth — as the first example...

Astronomers Find New Type of Binary Star

Jul 27, 2016 by News Staff

Astronomers announced today that they have discovered a new type of binary star, in which a rapidly-spinning white dwarf star sweeps powerful beams of...