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Abstract: Solar analogues are fundamental targets for a better understanding of our Sunand our Solar System. Usually, this research is limited to field stars, whichoffer several advantages and limitations. In this work, we present the resultsof a research of solar twins performed for the first time in a open cluster,namely M67. Our analysis allowed us to find five solar twins and also to derivea solar colour of B-V0=0.649+-0.016 and a cluster distance modulus of9.63+-0.08. This study encourages us to apply the same method to other openclusters, and to do further investigations for planet search in the solar twinswe find.



Author: K. Biazzo 1,2, L. Pasquini 2, P. Bonifacio 3,4, S. Randich 5, L. R. Bedin 6, 1 INAF - Catania Astrophysical Observatory, 2 ESO -

Source: https://arxiv.org/



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