3 ms·
The energy requirements are proportional to the beaming angle, so if we assume FRBs to be beamed, then the energy required decreases significantly. For example
by dsqrt 10y ago
The energy requirements are proportional to the beaming angle, so if we assume FRBs to be beamed, then the energy required decreases significantly. For example assuming a beam of 10 deg^2, this would give a reduction of a factor 648.
- Animats 10y agoAssume the sender has an antenna at least as good as Arecibo. That antenna has a beam width of 4 minutes of arc.[1] That's 0.066 degrees, or about one ten millionth of the sky. So you get to divide the power requirements by 10^7. [1] http://egg.astro.cornell.edu/alfalfa/ugrad/backgrnd/intro2arecibo.pdf http://egg.astro.cornell.edu/alfalfa/ugrad/backgrnd/intro2ar...