value unc_up unc_lo author ref method 21.92 0.630 0.630 Masiero 2012ApJ...759L...8M NEATM 22.93 1.300 1.300 Tedesco 2002AJ....123.1056T STM 24.25 1.706 1.706 Ryan&Woodward 2010AJ....140..933R IRAS-STM 26.57 0.888 0.888 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM