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- n. Plural form of photometrician.
Sorry, no etymologies found.
Before Sloan, expert photometricians could get 1 percent precision on a few objects in half a night, but no one believed such precision could be achieved by a survey.
Owing probably to the difference of colour between Vega, Capella and Arcturus, photometricians have not been perfectly agreed as to the relative brilliancy of these objects.