value unc_up unc_lo author ref method 19.69 0.202 0.202 Masiero 2011ApJ...741...68M NEATM 20.31 0.180 0.180 Masiero 2014ApJ...791..121M NEATM 22.33 0.930 0.930 Masiero 2012ApJ...759L...8M NEATM 22.69 1.370 1.370 Usui 2011PASJ...63.1117U NEATM 23.46 4.690 4.690 Ali-Lagoa 2018A&A...612A..85A NEATM