Thread: Estelle's Star
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Old 02-07-2010, 10:00 PM
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mithrandir (Andrew)
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With the Johnson Vmag=9.039
Parallax 1.5mas
and the alternate formula

M = m+5(log10(p)+1) = 9.039+5(log(1.5/1000)+1) = -0.081

SpType B3 III - extremely luminous and blue
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