value	unc_up	unc_lo	author	ref	method
8.35	1.820	1.820	Masiero	2021PSJ.....2..162M	NEATM
8.91	2.248	2.248	Masiero	2017AJ....154..168M	NEATM
9.10	2.520	2.520	Nugent	2016AJ....152...63N	NEATM