value unc_up unc_lo author ref method 11.81 0.480 0.480 Masiero 2012ApJ...759L...8M NEATM 7.55 2.050 2.050 Masiero 2021PSJ.....2..162M NEATM 7.69 2.399 2.399 Masiero 2017AJ....154..168M NEATM