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Visual Binaries and the Calibration of the Main Sequence
Published online by Cambridge University Press: 04 August 2017
Abstract
147 of the best known visual binary stars have been used for an independent calibration of the main sequence in the interval −0m.15 ≤B-V≤0m.80. The (Mv, B-V) diagram is found to be equal to the composite open cluster diagram for the age group between 8.35 and 8.43 × 108 years - very hot stars excepted. The cosmic scatter of the main sequence is discussed. It appears that only a small number of visual binaries in our sample are simple binary systems.
- Type
- Research Article
- Information
- Symposium - International Astronomical Union , Volume 111: Calibration of Fundamental Stellar Quantities , 1985 , pp. 397 - 400
- Copyright
- Copyright © Reidel 1985