value unc_up unc_lo author ref method 0.228 0.0333 0.0333 Masiero 2011ApJ...741...68M NEATM 0.240 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM 0.247 0.0990 0.0990 Ali-Lagoa 2018A&A...612A..85A NEATM 0.250 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM