value unc_up unc_lo author ref method 3.03 0.890 0.890 Nugent 2016AJ....152...63N NEATM 3.43 1.020 1.020 Masiero 2012ApJ...759L...8M NEATM 3.64 0.257 0.257 Masiero 2011ApJ...741...68M NEATM