@article{1e90e0b007d94a2e852fac1d63be3e67,
title = "The radius and mass of the close solar twin 18 Scorpii derived from asteroseismology and interferometry",
abstract = "The growing interest in solar twins is motivated by the possibility of comparing them directly to the Sun. To carry on this kind of analysis, we need to know their physical characteristics with precision. Our first objective is to use asteroseismology and interferometry on the brightest of them: 18 Sco. We observed the star during 12 nights with HARPS for seismology and used the PAVO beam-combiner at CHARA for interferometry. An average large frequency separation 134.4 ± 0.3 μHz and angular and linear radiuses of 0.6759 ± 0.0062 mas and 1.010 ± 0.009 R⊙ were estimated. We used these values to derive the mass of the star, 1.02 ± 0.03 M⊙.",
keywords = "methods: data analysis, stars: individual: 18 Sco, stars: oscillations, techniques: interferometric, techniques: radial velocities",
author = "M. Bazot and Ireland, {M. J.} and D. Huber and Bedding, {T. R.} and Broomhall, {A. M.} and Campante, {T. L.} and H. Carfantan and Chaplin, {W. J.} and Y. Elsworth and J. Mel{\'e}ndez and P. Petit and S. Th{\'e}ado and {Van Grootel}, V. and T. Arentoft and M. Asplund and M. Castro and J. Christensen-Dalsgaard and {Do Nascimento}, {J. D.} and B. Dintrans and X. Dumusque and H. Kjeldsen and McAlister, {H. A.} and Metcalfe, {T. S.} and Monteiro, {M. J.P.F.G.} and Santos, {N. C.} and S. Sousa and J. Sturmann and L. Sturmann and {Ten Brummelaar}, {T. A.} and N. Turner and S. Vauclair",
year = "2010",
month = dec,
day = "13",
doi = "10.1051/0004-6361/201015679",
language = "English",
volume = "526",
journal = "Astronomy and Astrophysics",
issn = "0004-6361",
publisher = "EDP Sciences",
number = "1",
}