value unc_up unc_lo author ref method 18.15 3.630 3.630 Ali-Lagoa 2018A&A...612A..85A NEATM 18.38 1.230 1.230 Usui 2011PASJ...63.1117U NEATM 19.83 0.237 0.237 Masiero 2011ApJ...741...68M NEATM 20.42 2.200 2.200 Tedesco 2002AJ....123.1056T STM 20.56 0.712 0.712 Masiero 2011ApJ...741...68M NEATM 20.76 0.864 0.864 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM 22.08 2.215 2.215 Ryan&Woodward 2010AJ....140..933R IRAS-STM