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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 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