# Tag Info

Accepted

### Rotation and orientation of James Webb's mirror from ground stations

The JWST is controlled from the ground. It is not locked in by a pre-programmed observing schedule. Allocation of observing time on JWST is an ongoing process. “JWST observing programs may be modified ...
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The scaling with $1/r^4$ holds when receiving an optical signal in a way similar to a RF signal, i.e. by reading it as an amplitude signal. Photons in the IR/visible/UV range however can be detected ...