Technique · Photometry & Imaging

Photometry

The precise measurement of the brightness of a star or galaxy, in one or more filters. Photometry over time reveals variable stars, transiting planets, and supernovae; photometry in different colours reveals temperature.

Photometry & ImagingMeasures: The brightness of an object

Knowledge connections

Member of groupPhotometry & Imaging
Associated withCCD
Associated withCMOS Sensor
Associated withImage Stacking
Associated withPhotometric Redshifts
Associated withSource Extraction
Associated withVariable-Star Observing
Associated withCamera
Associated withAAVSO
Associated withDeep-Sky Imaging
Associated withAstroImageJ

Sources

Facts on this topic will be cited from these primary and reference sources.

NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.

Loading…