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ubv photometry

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UBV photometry

–noun
the photometric measurement of the color index of a star, using ultraviolet, blue, and visual (yellow) filters.
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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UBV photometry   (yōō'bē-vē')   
n.  Photometry used to obtain stellar magnitudes by comparing observed magnitudes to a standard sequence of stars.

[u(ltraviolet) + b(lue) + v(isual).]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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