Saturday, February 05, 2005 2:51 PM Subject: GRB afterglow in the radio wave spectrum 3. What information could potentially be gleaned by radio wave measurements of a real time Gamma Ray burst?
Answer provided by Dale Frail (NRAO): If you could detect prompt radio emission from a gamma-ray burst there are several things you could do. The most important would be to measure the delay in the arrival of the radio signal. A delay is expected because the signal gets to us only after propagating through a large amount of ionized gas between us and the source. Detecting prompt radio emission would be a unique probe of the gas density of the early Universe.
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