Magnitudes Graph
m1 = 10.5 + 5 log d + 15.0 log r [ ,194] ( - 2009 Jan. 30)
m1 = -61.5 + 5 log d + 180 log r [194,215] (2009 Jan. 30 - 2009 Feb. 20)
m1 = -65.5 + 5 log d + 180 log r [215,257] (2009 Feb. 20 - 2009 Apr. 3)
m1 = 10.5 + 5 log d + 15.0 log r [257, ] (2009 Apr. 3 - )
* Gray curve is: m1 = 10.5 + 5 log d + 15.0 log r
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