value unc_up unc_lo author ref method 11.64 2.913 2.913 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM 9.23 0.900 0.900 Tedesco 2002AJ....123.1056T STM 9.31 0.504 0.504 Ryan&Woodward 2010AJ....140..933R IRAS-STM