Something extraordinarily bright is pulsing far slower than most similar cosmic objects, and it may be a strange type of neutron star that we’ve never seen before.
in the sky pulse far faster, brightening and disappearing again in a matter of seconds. “No one really thought of looking for objects on this timescale because we couldn’t think of any mechanisms that produce them, and yet they exist,” said Hurley-Walker.
The pulsing indicates that the object is probably spinning, and other measurements of its light hint that it must have a powerful magnetic field. This led the researchers to suspect that it may be, a type of neutron star with a particularly strong magnetic field, but it isn’t clear how a magnetar could rotate so slowly and shine so bright.
“I was concerned that it was aliens, but… it is across a very wide range of frequencies, and that means it must be a natural process – this is not an artificial signal,” said Hurley-Walker. She and her colleagues are now looking for more objects like this so we can figure out what they are.
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