1. of or relating to an isophote; having equal brightness or illumination
Usage: technical; astronomy; photography

Examples

• The isophotal contours on the astronomical image show regions of equal surface brightness.
• Astronomers used isophotal analysis to study the structure of the galaxy.
• The isophotal map revealed the distribution of light across the nebula.
• Isophotal measurements help determine the morphology of distant galaxies.
• The telescope's isophotal data provided insights into stellar density patterns.