Researchers have found out where the “alien” signal came from half a century ago

(ORDO NEWS) — The strong, narrow-band radio signal, known as the “Whoa!” signal, which was recorded by Dr. Jerry Eyman on the night of August 15, 1977, while working on the Big Ear radio telescope at Ohio State University, could come from a sun-like star located at a distance of 1,800 light years from Earth in the constellation Sagittarius.

Amateur astronomer Alberto Caballero, knowing that the Big Ear Telescope receivers were pointing in the direction of the constellation Sagittarius, looked through the ESA’s Gaia satellite’s star catalog and discovered the star system from which the mysterious message may have been sent.

Caballero found a sun-like star, 2MASS 19281982-2640123, about 1,800 light-years from Earth. Its temperature, diameter and luminosity are almost identical to the Sun.

Based on these data, an amateur astronomer suggested that it was around the star 2MASS 19281982-2640123 that the planet rotates, from which the “Wow!” signal came.


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