Color–color diagram | Wikipedia audio article
Channel: wikipedia tts
Date: 04/10/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Color%E2%80%93color_diagram


00:00:42 1 Background
00:06:32 2 Applications
00:06:42 2.1 Photometric calibration
00:08:21 2.2 Color outliers
00:09:31 2.3 Star formation
00:12:12 3 See also



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SUMMARY
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In astronomy, color–color diagrams are a means of comparing the apparent magnitudes of stars at different wavelengths. Astronomers typically observe at narrow bands around certain wavelengths, and objects observed will have different brightnesses in each band. The difference in brightness between two bands is referred to as color. On color–color diagrams, the color defined by two wavelength bands is plotted on the horizontal axis, and then the color defined by another brightness difference (though usually there is one band involved in determining both colors) will be plotted on the vertical axis.