An astronomer is tracking an old radio signal from a sun-like star … Know the story



An amateur astronomer traced a signal believed to be from a sun-like star 1,800 light-years from Earth, where the radio signal caught the world’s attention in 1977, when astronomers working with the Big Ear Radio Telescope recorded it in Delaware, Ohio, at the time. An unusually strong 72-second signal somewhere in space.

According to the British newspaper “Daily Mail”, it may have taken more than 72 seconds, but this was the maximum amount of time the Big Ear telescope could observe, and despite hours of analysis at the time, no one could pinpoint the source.

Amateur astronomer Alberto Caballero is now following that signal after all these years, saying that the most likely candidate for a signal source is a planet orbiting the star 2MASS 19281982-2640123 in the constellation of Sagittarius, and the discovery is based on data from the European Space Agency Gaia, which has identified 1.3 billion so far. a star.

There are a number of other potential candidates for the source of the signal, but Caballero says this is more likely, given the unique nature of the signal and the fact that its source cannot be determined, many astronomers believe it is the result of a intelligent alien civilization.

With this idea in mind, Caballero began filtering millions of stars in Gaia’s catalog to find the stars most similar in size and age to our sun.

He concluded that if the source had been created by another life form, it would likely live on an exoplanet orbiting a star similar to the sun, and that it had it to a star named 2MASS 19281982-2640123 lured, which Caballero says is a mirror image of the sun. .

Caballero identified a total of 66 stars from the region where the signal came from.

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