value unc_up unc_lo author ref method 15.54 4.220 4.220 Nugent 2016AJ....152...63N NEATM 15.93 5.020 5.020 Masiero 2020PSJ.....1....5M NEATM 16.51 0.084 0.084 Masiero 2011ApJ...741...68M NEATM 16.77 0.270 0.270 Masiero 2012ApJ...759L...8M NEATM 16.83 1.400 1.400 Tedesco 2002AJ....123.1056T STM 17.77 1.255 1.255 Ryan&Woodward 2010AJ....140..933R IRAS-STM 22.86 2.070 2.070 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM