value	unc_up	unc_lo	author	ref	method
5.22	1.680	1.680	Masiero	2020PSJ.....1....5M	NEATM
5.58	0.131	0.131	Masiero	2011ApJ...741...68M	NEATM
6.17	1.710	1.710	Masiero	2021PSJ.....2..162M	NEATM
6.50	1.710	1.710	Nugent	2016AJ....152...63N	NEATM