value unc_up unc_lo author ref method 21.03 0.470 0.470 Usui 2011PASJ...63.1117U NEATM 21.43 1.500 1.500 Tedesco 2002AJ....123.1056T STM 21.74 2.170 2.170 Ali-Lagoa 2018A&A...612A..85A NEATM 22.02 4.400 4.400 Ali-Lagoa 2018A&A...612A..85A NEATM 23.49 2.870 2.870 Masiero 2012ApJ...759L...8M NEATM