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Fast radio bursts shown to include lower frequency radio waves than previously detected

Since fast radio bursts (FRBs) were first discovered over a decade ago, scientists have puzzled over what could be generating these intense flashes of radio waves from outside of our galaxy. In a gradual process of elimination, the field of possible explanations has narrowed as new pieces of information are gathered about FRBs – how long they last, the frequencies of the radio waves detected, and so on.
Now, a team led by McGill University researchers and members of Canada’s CHIME Fast Radio Burst collaboration has established that FRBs include radio waves at frequencies lower than ever detected before, a discovery that redraws the boundaries for theoretical astrophysicists trying to put their finger on the source of FRBs. ....

United Kingdom , British Columbia , Daniele Michilli , Ziggy Pleunis , Mcgill Department Of Physics , National Research Council Of Canada , University Of Toronto , Perimeter Institute For Theoretical Physics , University Of British Columbia , Mcgill University , Mcgill University Is Canada , Department Of Physics At Mcgill , Radio Burst , Astrophysical Journal , Low Frequency Array , Perimeter Institute , Theoretical Physics , National Research Council , Okanagan Valley , Radio Astrophysical Observatory , Square Kilometre Array , Frequency Dependent Activity , ஒன்றுபட்டது கிஂக்டம் , பிரிட்டிஷ் கொலம்பியா , மகில் துறை ஆஃப் இயற்பியல் , தேசிய ஆராய்ச்சி சபை ஆஃப் கனடா ,

Fast radio bursts shown to include lower frequency radio waves than previously detected

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IMAGE: A burst from the periodically active repeating fast radio burst source 20180916B arrives at the LOFAR telescope. The higher frequency radio waves (purple) arrive earlier than the lower frequency radio.
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Credit: Futselaar / ASTRON / Tendulkar
Since fast radio bursts (FRBs) were first discovered over a decade ago, scientists have puzzled over what could be generating these intense flashes of radio waves from outside of our galaxy. In a gradual process of elimination, the field of possible explanations has narrowed as new pieces of information are gathered about FRBs - how long they last, the frequencies of the radio waves detected, and so on. ....

United Kingdom , British Columbia , Daniele Michilli , Ziggy Pleunis , Katherine Gombay , Mcgill Department Of Physics , National Research Council Of Canada , Dunlap Institute For Astronomy , Natural Sciences , Canadian Institute For Advanced Research , Perimeter Institute For Theoretical Physics , University Of Toronto , Engineering Research Council , University Of British Columbia , Mcgill University , Mcgill University Is Canada , Department Of Physics At Mcgill , Mcgill Media Relations Office , Canada Foundation For Innovation , Radio Burst , Astrophysical Journal , Low Frequency Array , Radio Burst Collaboration , Perimeter Institute , Theoretical Physics , National Research Council ,