5 ms·
I suppose there would be a rough conversion between that value and photon count (at some wavelength range). I just imagine the error bars to be very wide.
by throwaway8503 3y ago
I suppose there would be a rough conversion between that value and photon count (at some wavelength range). I just imagine the error bars to be very wide.
- tigershark 3y agoNot really, it depends from the application. Even something like 20 years ago the CCDs available at the time were capable of astrometric measure of star magnitudes with 1/100 of magnitude precision using some control stars.