value unc_up unc_lo author ref method 0.039 0.0170 0.0300 Masiero 2021PSJ.....2..162M NEATM 0.044 0.0330 0.0330 Masiero 2020PSJ.....1....5M NEATM 0.046 0.0320 0.0320 Masiero 2012ApJ...759L...8M NEATM 0.053 0.0035 0.0035 Masiero 2011ApJ...741...68M NEATM 0.080 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM