High-precision analysis of the solar twin HIP 100963 Jhon Yana Galarza, Jorge Meléndez, Ivan Ramírez, David Yong, Amanda I. Karakas, Martin Asplund and Fan Liu A&A, 589 (2016) A17 Published online: 06 April 2016 DOI: 10.1051/0004-6361/201527912