English: The positions of the three stars of the Rho Geminorum system on the Hertzsprung-Russell diagram. As Rho Geminorum B does not have a known B-V or temperature, a line through its absolute magnitude is drawn instead. If it is an M-dwarf, the expected B-V is approximately 1.53 which is consistent with a M3V star.
This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Positions of stars on diagram. The original can be viewed here: HRDiagram.png: . Modifications made by ShellfaceTheStrange.
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