value	unc_up	unc_lo	author	ref	method
20.27	6.750	6.750	Nugent	2016AJ....152...63N	NEATM
20.75	0.031	0.031	Masiero	2011ApJ...741...68M	NEATM
22.15	1.530	1.530	Usui	2011PASJ...63.1117U	NEATM
22.85	4.570	4.570	Ali-Lagoa	2018A&A...612A..85A	NEATM