value unc_up unc_lo author ref method 16.61 2.360 2.360 Masiero 2012ApJ...759L...8M NEATM 17.53 4.660 4.660 Nugent 2016AJ....152...63N NEATM 19.35 3.870 3.870 Ali-Lagoa 2018A&A...612A..85A NEATM 20.29 1.230 1.230 Usui 2011PASJ...63.1117U NEATM 22.53 4.510 4.510 Ali-Lagoa 2018A&A...612A..85A NEATM