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Color Index. Taking the difference in magnitudes (e.g., m B – m V ) using two different filters gives a crude measure of a star’s temperature. http://astro.unl.edu/naap/blackbody/blackbody.html. Spectrum (F λ ) of the Star Vega. Spectrum (F λ ) of the Star Vega.

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Color index
Color Index

Taking the difference in magnitudes (e.g., mB – mV) using two different filters gives a crude measure of a star’s temperature

http://astro.unl.edu/naap/blackbody/blackbody.html


Spectrum f of the star vega
Spectrum (Fλ) of the Star Vega


Spectrum f of the star vega1
Spectrum (Fλ) of the Star Vega


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