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OpenStudy (anonymous):

what is the formula for the tully fisher relationship?

OpenStudy (anonymous):

\[L \alpha \omega^{\alpha}\] i.e. L is directly proportional to w raised to power alpha. Where L is the luminosity of galaxy in optical or near infrared bands. W is the rate of rotation of galaxy alpha is some integer. http://www.scholarpedia.org/article/Tully-Fisher_relation

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