The Sun. A typical star in the solar neighborhood?
arXiv:1307.5274 · doi:10.1017/S1743921313006546
Abstract
The Sun is used as the fundamental standard in chemical abundance studies, thus it is important to know whether the solar abundance pattern is representative of the solar neighborhood. Albeit at low precision (0.05 - 0.10 dex) the Sun seems to be a typical solar-metallicity disk star, at high precision (0.01 dex) its abundance pattern seems abnormal when compared to solar twins. The Sun shows a deficiency of refractory elements that could be due to the formation of terrestrial planets. The formation of giant planets may also introduce a signature in the chemical composition of stars. We discuss both planet signatures and also the enhancement of neutron-capture elements in the solar twin 18 Sco.
IAU Symposium 298, Setting the scene for Gaia and LAMOST - the current and next generations of surveys and models, in press
References in corpus (7)
- Building Terrestrial Planets
- Stellar Diameters and Temperatures III. Main Sequence A, F, G, & K Stars: Additional high-precision measurements and empirical relations
- Stellar Parameters and Metallicities of Stars Hosting Jovian and Neptunian Mass Planets: A Possible Dependence of Planetary Mass on Metallicity
- HIP 56948: A Solar Twin With a Low Lithium Abundance
- HD 98618: A Star Closely Resembling our Sun
- The infrared colors of the Sun
- New solar twins and the metallicity and temperature scales of the Geneva Copenhagen Survey