GPM J1839–10 was discovered in a search of the galactic plane for transient objects—something that's not there when you first look, but appears the next time you check. The typical explanation for a transient object is something like a supernova, where a major event gives something an immense boost in brightness. They're found at the radio end of the spectrum—fast radio bursts—but are also very brief, and so fairly difficult to spot.
this post was submitted on 20 Jul 2023
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