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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.

This allows the researchers to computationally progress the initial 3D structure of a hotspot over time as it orbits the black hole to create a whole light curve.

From Science Daily • Apr. 22, 2024

Researchers define a light curve as a measurement of the brightness of a star over a longer period of time.

From Science Daily • Apr. 12, 2024

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

In the case of a light curve like that of Kepler-1625b, the rate of "false hits" is likely to be around 11 percent.

From Science Daily • Dec. 7, 2023

Thus the light curve and the spectroscopic velocity curve are very similar in shape, but one is like the other turned upside down.

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