value unc_up unc_lo author ref method 0.040 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM 0.071 0.0366 0.0366 Masiero 2017AJ....154..168M NEATM 0.074 0.0290 0.0470 Masiero 2021PSJ.....2..162M NEATM