value unc_up unc_lo author ref method 0.020 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM 0.040 0.0340 0.0340 Masiero 2020PSJ.....1....5M NEATM 0.049 0.0470 0.0470 Masiero 2020PSJ.....1....5M NEATM 0.060 0.0300 0.0300 Masiero 2012ApJ...759L...8M NEATM