value unc_up unc_lo author ref method 20.36 0.620 0.620 Masiero 2012ApJ...759L...8M NEATM 21.16 4.230 4.230 Ali-Lagoa 2018A&A...612A..85A NEATM 22.66 0.210 0.210 Masiero 2014ApJ...791..121M NEATM 23.63 0.100 0.100 Masiero 2011ApJ...741...68M NEATM 23.89 2.390 2.390 Ali-Lagoa 2018A&A...612A..85A NEATM 24.00 0.710 0.710 Usui 2011PASJ...63.1117U NEATM