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Mysteriöse Signale von einem roten Zwerstern, oder nur Interferenz von irdischen Kommunikationssatelliten?
Ross 128
Unexplained Signal: On May 12, 2017, researchers picked up mysterious signals using the Arecibo Observatory. Abel Méndez, an astrobiologist at the University of Puerto Rico at Arecibo, said the star was observed for 10 minutes, during which time the wide-band radio signal was "almost periodic" and decreased in frequency. On July 16, 2017, the strange signal, at a low frequency never heretofore observed from a red dwarf, was reported on Twitter by Méndez to have been "confirmed". No such signal was detected by the Green Bank Telescope, however, which raises the likelihood that said signal was radio frequency interference from an artificial satellite orbiting the Earth.
Mittlerweile verdichtet sich der Verdacht, dass es sich dabei um Signale von geostationären Satelliten handelt, die zur Zeit des mysteriösen Signals auf einer ähnlichen Position wie der Stern standen.
J.E. Enriquez et al. Follow-up of the Reported Transient Signal Observed at the Arecibo Telescope in the Direction of Ross 128
Ross 128
Unexplained Signal: On May 12, 2017, researchers picked up mysterious signals using the Arecibo Observatory. Abel Méndez, an astrobiologist at the University of Puerto Rico at Arecibo, said the star was observed for 10 minutes, during which time the wide-band radio signal was "almost periodic" and decreased in frequency. On July 16, 2017, the strange signal, at a low frequency never heretofore observed from a red dwarf, was reported on Twitter by Méndez to have been "confirmed". No such signal was detected by the Green Bank Telescope, however, which raises the likelihood that said signal was radio frequency interference from an artificial satellite orbiting the Earth.
Mittlerweile verdichtet sich der Verdacht, dass es sich dabei um Signale von geostationären Satelliten handelt, die zur Zeit des mysteriösen Signals auf einer ähnlichen Position wie der Stern standen.
J.E. Enriquez et al. Follow-up of the Reported Transient Signal Observed at the Arecibo Telescope in the Direction of Ross 128