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See related link for a picture of Sirius and it's binary. Sirius B can be found in the bottom left corner.

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An eclipsing binary system consists of two stars orbiting each other in such a way that they periodically pass in front of each other as seen from Earth. The light curve of an eclipsing binary system will show regular dips in brightness when one star crosses in front of the other, creating a characteristic pattern of alternating minima and maxima. These dips in brightness are caused by eclipses and can be used to determine various properties of the stars, such as their sizes and masses.

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Q: What does a eclipsing binary look like?
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Continue Learning about Astronomy

A star system in which on star blocks the light from another is called?

An eclipsing binary star system. This occurs when one star passes in front of the other from the observer's perspective, causing periodic decreases in brightness as the light from the background star becomes blocked.


What is double stars in which one star moves directly in front of the other?

Each of those is an eclipsing binary.


Eclipsing binary star in Perseus?

An eclipsing binary star in Perseus is a system where two stars orbit each other in such a way that they periodically pass in front of each other, causing eclipses and variations in brightness as viewed from Earth. By studying these changes in brightness, astronomers can determine important properties of the stars, such as their masses and radii.


What role do binary stars play in eclipsing binaries?

Binary stars in eclipsing binaries orbit each other in such a way that from our viewpoint on Earth, they regularly pass in front of each other, causing eclipses. By studying the light curves during these eclipses, astronomers can infer information about the stars' sizes, masses, and orbital dynamics. This makes eclipsing binaries important for understanding stellar properties and evolution.


Which type of binary can have their sizes measured directly by photometry?

Neutral binary stars can have their sizes measured directly by photometry. By observing how the brightness of the system changes over time, astronomers can infer the sizes of the individual stars and the distance between them. This method can provide valuable information about the physical parameters of the binary system.