value unc_up unc_lo author ref method 1.91 0.350 0.350 Nugent 2016AJ....152...63N NEATM 2.30 0.300 0.300 Ali-Lagoa 2017A&A...603A..55A NEATM 2.40 0.400 0.400 Ali-Lagoa 2017A&A...603A..55A NEATM