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What magnitude of star is our sun? I.E how bright is it?
La Grande, OR, USA
The Greek astronomer Hipparchus devised the magnitude system around 150 B.C. Curiously, the larger the magnitude the dimmer the star. It is a logarithmic system: a change of 5 magnitudes corresponds to a factor of 100 in brightness. The sun has a magnitude of -26.7, the moon -12.6. The star Vega is the standard of the industry and has a magnitude of 0. The faintest star you can see with your eye is about +6.5
For more information see: http://www.astronomynotes.com/starprop/s4.htm
(published on 05/16/2013)
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