value	unc_up	unc_lo	author	ref	method
6.48	2.480	2.480	Masiero	2021PSJ.....2..162M	NEATM
6.69	1.717	1.717	Masiero	2017AJ....154..168M	NEATM
6.75	1.540	1.540	Masiero	2021PSJ.....2..162M	NEATM
7.17	1.640	1.640	Nugent	2016AJ....152...63N	NEATM