Scientists at University of Puerto Rico detected some peculiar signals from red dwarf star Ross 128 while conducting a scientific study about the radiation and magnetic environment around red dwarf stars. The signals consisted of broadband quasi-periodic non-polarized pulses with very strong dispersion-like features.
These signals were detected by Arecibo Observatory of the University on 12th May 2017 while studying red dwarf star with planets.
Still origin of the signals is doubtful and is the matter of further studies but three possible explanation is being provided regarding the origin of the source of signals.
According to Planetary Habitability Laboratory of University of Puerto Rico At Arecibo “We do not know the origin of these signals but there are three main possible explanations: they could be (1) emissions from Ross 128 similar to Type II solar flares, (2) emissions from another object in the field of view of Ross 128, or just (3) burst from a high orbit satellite since low orbit satellites are quick to move out of the field of view.”
“We believe that the signals are not local radio frequency interferences (RFI) since they are unique to Ross 128, and observations of other stars immediately before and after did not show anything similar,” says Abel Mendez, director of the Planetary Habitability Laboratory at the University of Puerto Rico.