ner_tags: O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-Person I-Person I-Person B-Organization I-Organization I-Organization I-Organization I-Organization I-Organization O O O O O O O B-Instrument O O O O O O O O O B-Proposal B-Person O B-Person O O O O B-Organization I-Organization I-Organization O O O O O B-Person O O O O B-Location O B-Grant O B-Grant
tokens: The authors thank the anonymous reviewer for a thorough and careful reading and many useful and critical comments that resulted in significant improvements to the paper. The authors thank Professor J. Krelowski (Centre for Astronomy, Nicholas Copernicus University) for his comments on our analysis. The HARPS CH spectrum was observed in 2007 March under program 078.C-0403(A). L.B. and F.C. appreciate sponsorship through a Spectral Sciences, Inc. internal research and development project. G.A.G. acknowledges the support of Chilean fund FONDECYT-regular (project 1120190).