Asked by kennisha

ProximaCentauriisapproximatelythesamedistancefromEarth(slightly less than 4.3 light years) as Alpha Centauri A, but it has an apparent magnitude of +11.05, compared to Alpha Centauri A’s magnitude of -0.01. How much more luminous is Alpha Centauri A than Proxima Centauri?
Answered by Writeacher
astrophysics?
Answered by bobpursley
b1 / b2 = (2.512)^(m2-m1)

so you are looking for b1/b2

= 2.512^(11.05+.01)=about 27,000 You do it more accurately
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