No Alien Signals Detected from Interstellar Visitor Oumuamua
No evidence of artificial signals emanating from the object so far detected by the Green Bank Telescope, but monitoring and analysis continue. Initial data are available for public inspection in the Breakthrough Listen archive.
Breakthrough Listen – the initiative to find signs of intelligent life in the universe – is reporting preliminary results and making initial data available from its observations of the “interstellar visitor” ‘Oumuamua’.
Artist’s concept of interstellar asteroid 1I/2017 U1 (‘Oumuamua) as it passed through the solar system after its discovery in October 2017. The aspect ratio of up to 10:1 is unlike that of any object seen in our own solar system.
This animation shows the path of A/2017 U1, which is an asteroid — or perhaps a comet — as it passed through our inner solar system in September and October 2017. From analysis of its motion, scientists calculate that it probably originated from outside of our solar system.
In addition to calibration observations, the instrument accumulated 90 TB of raw data over a 2 hour observation of ‘Oumuamua itself. A search for signals that may be of artificial origin has begun, but despite the impressive computational power of the Breakthrough Listen computing cluster at Green Bank, the large data volumes mean that this will take some time to complete.
“It is great to see data pouring in from observations of this novel and interesting source,” said Andrew Siemion, Director of Berkeley SETI Research Center. “Our team is excited to see what additional observations and analyses will reveal”.
The Breakthrough Listen “turboSETI” pipeline2 combs the data for narrow bandwidth signals that are drifting in frequency. By matching the rate at which these signals drift to the expected drift due to the motion of ‘Oumuamua (in addition to rejecting interfering signals from human technology that do not match the sky position of the primary target), the software attempts to identify any signals that might be coming from ‘Oumuamua itself.
This animation (annotated) shows the path of the interstellar asteroid 1I/2017 (`Oumuamua) through the Solar System. Observations with ESO’s Very Large Telescope and others have shown that this unique object is dark, reddish in colour and highly elongated.
Credit: ESO, M. Kornmesser, L.Calcada. Music: Azul Cobalto
Breakthrough Listen is a scientific program in search for evidence of technological life in the Universe. It aims to survey one million nearby stars, the entire galactic plane and 100 nearby galaxies at a wide range of radio and optical bands.
The Breakthrough Initiatives are a suite of scientific and technological programs looking for life in the Universe.
Preliminary orbital calculations suggest that the object came from the approximate direction of the bright star Vega, in the northern constellation of Lyra. However, it took so long for the interstellar object to make the journey – even at the speed of about 59,000 miles per hour (26.4 kilometers per
second) — that Vega was not near that position when the asteroid was there about 300,000 years ago.
Astronomers estimate that an interstellar asteroid similar to ‘Oumuamua passes through the inner solar system about once per year, but they are faint and hard to spot and have been missed until now. It is only recently that survey telescopes, such as Pan-STARRS, are powerful enough to have a chance to discover them.
“What a fascinating discovery this is!” said Paul Chodas, manager of the Center for Near-Earth Object Studies at NASA’s Jet Propulsion Laboratory, Pasadena, California. “It’s a strange visitor from a faraway star system, shaped like nothing we’ve ever seen in our own solar system neighborhood.
Breakthrough Initiatives
Janet Wootten, Rubenstein Communications, Inc.
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Whistler Blowers, Insiders
why do you geniuses keep looking for radio signals & signatures? the aliens do not use this means of communication. why can’t you figure that out after 30 years of looking this way?
Reverso world. They found something. For sure. Or believe naza
THE ALIENS ARE THROWING DARTS AT US, BUT MISSED!