A number of astronomers detect a radio wave signals new and unusual, not such as that found previously. Radio waves coming from the direction of the galactic center of the Milky way.
They refer to the behavior of the radio emission is not in accordance with the pattern of the source of the radio signal is known, this may be the type of object a new star.
Ziteng Wang, lead author of the new study in The Astrophysical Journal and a doctoral student in the School of Physics at The University of Sydney, said that the level of light of the object varies dramatically, signaling life and death seem random.
“Signal the most curious of the new signal is to have a polarization that is very high. This means the light oscillates in only one direction, but the direction it rotates over time,” said Wang.
They published peer-reviewed papers them about the exciting discovery in The Astrophysical Journal on October 12.
The team initially thought the findings of the pulsar which type of neutron star (dead) a very solid quick spin, or the type of star that emits solar flares are large.
However, the signal from the source of the radio waves the new was not in accordance with what is expected of astronomers from the type of this star.
The objects are changeable it is named after the coordinates in the night sky:
‘s askap J173608.2-321635.
“This object is unique because it was not originally visible, be bright, fade away and then reappear. This behavior is remarkable,” said study co-author Tara Murphy, a professor at the Sydney Institute for Astronomy and the School of Physics at The University of Sydney, in a press release as quoted by CNN.
The object is initially visible during the survey of the sky using radio telescope of the Australian Square Kilometre Array Pathfinder, commonly known’s askap.
The telescope has 36 discs that work together as one telescope at the Astronomical Observatory of Radio Murchison, Western Australia.
Follow-up observations carried out with the radio telescope Parkes in New South Wales and the telescope MeerKAT’s Observatory Radio Astronomy in South Africa.
However, the telescope Parkes failed to detect the source. While the telescope MeerKAT managed to catch it, the signal was there, although disjointed and different, as quoted from the Earth’s Sky.
“We then try radio telescope MeerKAT are more sensitive in South Africa. Because the signal is discontinuous, we watched him for 15 minutes every few weeks, hope we will see him again,” Murphy said.
“Fortunately, the signal came back, but we find that the nature of the source is very different. The source disappear in one day, even though it has lasted for weeks in the observation’s askap our previous.”
This discovery is still a mystery for scientists. The researchers plan to continue to monitor the signal as much as they can.
Murphy said the telescope more powerful, such as the Square Kilometre Array planned, can help solve the mystery.
The Array is an international effort to build the largest radio telescopes in the world which is expected to be completed in the next decade.
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