value unc_up unc_lo author ref method 19.74 3.000 3.000 Tedesco 2002AJ....123.1056T STM 19.83 3.970 3.970 Ali-Lagoa 2018A&A...612A..85A NEATM 20.15 0.800 0.800 Masiero 2012ApJ...759L...8M NEATM 20.73 0.179 0.179 Masiero 2011ApJ...741...68M NEATM 20.77 0.620 0.620 Usui 2011PASJ...63.1117U NEATM 21.75 4.350 4.350 Ali-Lagoa 2018A&A...612A..85A NEATM