Delta Scorpii
by John Chumack
Title
Delta Scorpii
Artist
John Chumack
Medium
Photograph - Photograph
Description
Delta Scorpii (also named Dschubba, from the Arabic for "the Scorpion's Forehead") is a hot, highly luminous type B0 IV star about 500 light-years away in the Scorpius-Centaurus Association. The first person to notice a slight brightening was the dedicated variable-star observer Sebastian Otero of Argentina. Notified of the change, astronomers elsewhere took spectra of the star. They discovered that for the first time it was showing strong emission lines of hydrogen, turning it into a star of type Be.
Uploaded
September 18th, 2014
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