value unc_up unc_lo author ref method 2.57 0.550 0.550 Nugent 2016AJ....152...63N NEATM 3.30 0.500 0.500 Ali-Lagoa 2017A&A...603A..55A NEATM 3.40 0.500 0.500 Ali-Lagoa 2017A&A...603A..55A NEATM 4.00 0.600 0.600 Ali-Lagoa 2017A&A...603A..55A NEATM