The form below allows you to enter (B-V) values and convert them to Log T_eff and plain old T_eff values. I'll bet you're really thrilled about this aren't you? Valid for Main Sequence and Giant stars.

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(B-V) Value
Log Temperature =
Temperature =

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The form below allows you to enter (B-V) values and convert them to Log T_eff and plain old T_eff values. Valid for Supergiants only

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(B-V) Value
Log Temperature =
Temperature =