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light curve

American  

noun

Astronomy.
  1. a graph showing variations in brightness of celestial objects over time.


Etymology

Origin of light curve

First recorded in 1885–90

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The limb of a star, the edge of the stellar disk, plays a decisive role in the interpretation of its light curve.

From Science Daily Apr. 12, 2024

Exoplanets can also leave traces in the light curve.

From Science Daily Apr. 12, 2024

Instead, telescopes record the fluctuations in brightness of distant stars, the time series of which is called a light curve.

From Science Daily Dec. 7, 2023

An algorithm then compares these simulated light curves with the observed light curve and looks for the best match.

From Science Daily Dec. 7, 2023

M. H. E. Lau finds that the short-period variable star δ Cephei varies slightly in colour as well as in light, and that the colour curve is parallel to the light curve.

From Astronomical Curiosities Facts and Fallacies by Gore, J. Ellard

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