value unc_up unc_lo author ref method 7.25 0.270 0.270 Masiero 2012ApJ...759L...8M NEATM 7.25 0.500 0.500 Usui 2011PASJ...63.1117U NEATM 7.42 1.490 1.490 Ali-Lagoa 2018A&A...612A..85A NEATM 9.85 1.420 1.420 Nugent 2016AJ....152...63N NEATM