value unc_up unc_lo author ref method 2.76 0.570 0.570 Nugent 2016AJ....152...63N NEATM 3.10 0.500 0.500 Ali-Lagoa 2017A&A...603A..55A NEATM 3.30 0.500 0.500 Ali-Lagoa 2017A&A...603A..55A NEATM 3.80 0.600 0.600 Ali-Lagoa 2017A&A...603A..55A NEATM