Photometry
This is a disambiguation page; that is, one that points to other pages that might otherwise have the same name. If you followed a link here, you might want to go back and fix that link to point to the appropriate specific page.In astronomy, photometry refers to specific techniques used to measure the flux or intensity of an astronomical object's electromagnetic radiation.
In physics, optics, and illuminating engineering, photometry refers in general to the measurement of quantities associated with light.