How do we know is it new SETI signal from HD 164595 real? Reward $2
Created by marvel211, 469 days ago, 861 views
SETI researchers are buzzing about a strong spike in radio signals that seemed to come from the direction of a sunlike star in the constellation Hercules, known as HD 164595.
The signal conceivably fits the profile for an intentional transmission from an extraterrestrial source – but it could also be a case of earthly radio interference, or a microlensing event in which the star’s gravitational field focused stray signals coming from much farther away.
In any case, the blip is interesting enough to merit discussion by those who specialize in the search for extraterrestrial intelligence, or SETI – including Centauri Dreams’ Paul Gilster, who brought the case into the public eye this weekend.
At least two SETI research groups are aiming to track HD 164595 tonight. The SETI Institute is using the Allen Telescope Array in northern California, while METI International is looking to the Boquete Optical SETI Observatory in Panama.
Gilster reports that the signal spike was detected more than a year ago, on May 15, 2015, by the RATAN-600 radio telescope in Zelenchukskaya. That facility is in the Russian republic of Karachay-Cherkessia, not far from the Georgian border.
The apparent source of the signal, HD 164595, is interesting for a couple of reasons: It’s a sunlike star, about 95 light-years away from Earth, and it’s already known to have at least one “warm Neptune” planet called HD 164595 b. “There could, of course, be other planets still undetected in this system,” Gilster says.
The case has been compared to the one-time-only “Wow Signal” of 1977, or the more recent controversy over KIC 8462852, also known as “Tabby’s Star” or the alien-megastructure star.
There’s been no word of a sequel to HD 164595’s blip in the more than 15 months since it was recorded. Nevertheless, Gilster says it’s due for discussion at next month’s International Astronautical Congress in Mexico.
The researchers behind the detection, led by Nikolai Bursov of the Russian Academy of Sciences’ Special Astrophysical Observatory, rate HD 164595 as a good candidate for SETI investigation. “Permanent monitoring of this target is needed,” they say.
RAHAl469 days ago
Radio signals received from astronomers who apparently from a star called HD 164595 94 distance in light years from Earth in the constellation of Hercules is emitted have been surprised.
Pamela0525469 days ago
19mitch65469 days ago
probably why SETI stopped the public's use to scan signals ( as a screen saver) to help them with all the computing power they need. It was just a program made to be screen saver and look for any odd signals , the public didn't do anything else but lend SETI the power of all computers, if something was found the owner never knew. Now the "program" in all has vanished.
marvel211469 days ago
I was one of the many people who received the the email with the subject "Candidate SETI SIGNAL DETECTED by Russians from star HD 164595 by virtue of RATAN-600 radio telescope." Since the email did come from known SETI researchers, I looked over the presentation. I was unimpressed. In one out of 39 scans that passed over star showed a signal at about 4.5 times the mean noise power with a profile somewhat like the beam profile. Of course SETI@home has seen millions of potential signals with similar characteristics, but it takes more than that to make a good candidate. Multiple detections are a minimum criterion.
ha14469 days ago
Aravi469 days ago
starparticle469 days ago
I just hope the signal was embedded with the plans for a intergalactic ship that can transport just one person to it origin!
pustoi11468 days ago
I am sure that Earthlings are not the only intelligent beings in the universe. You know what the theory of probability? scientists are trying to prove in the first place to ourselves that we are not alone. but it's an obvious thing! Humanity develops very slowly, until recently did not know that the universe is full of water. and use radio signals for evidence of life, is like to poke a finger into the sky. in the end, what's the difference on what planet is life? life is in many places, and these, a lot of places. People, in general, self-confident and at the same time naive. evidence is required to be, they may not be any time soon. we do not understand the animals that are on the planet (though see ourselves as the crown of creation), what to speak of other civilizations. You can waste time and prove the obvious, but for what?
charlesakinney401 days ago
There have been a couple of stories lately about possible signals and it involved SETI. Yet the two I read, one of the people at SETI basically dismissed both signals saying it was probably something else and not intelligent aliens from another world. One of those stories was about the Russian pickup of a signal. Now, the headlines were fascinating and all that but the stories were barely an article. The one who spoke who was from SETI wasn't excited about the possible signals and said as much. Headlines grab the attention of people. Most see that and fail to read the article itself. So when SETI puts out its hands for donations? You be the judge. I have seen people mention that the only reason SETI still exists is to keep the employed people there employed. Hence sensational headlines when the till gets low? Tidbits here and there to let the people know they are making progress but in fact have not ever had a clean signal or confirmed one. And don't forget all of the possibilities that it could be Earth or other natural things causing bogus signals. Way too much junk out there to really tell if in fact there is an Alien Intelligence out there. Everything about the Universe is theory or conjecture. NOTHING has ever been proven. Yet we have so-called experts slipping in "theory" when answering a question. If they answer with theory they are NOT answering a question (as/with fact) are they? lol
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