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
The primary and reference sources this topic draws on.
- 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.