value	unc_up	unc_lo	author	ref	method
6.62	1.830	1.830	Masiero	2020PSJ.....1....5M	NEATM
6.96	1.620	1.620	Masiero	2021PSJ.....2..162M	NEATM
7.42	1.590	1.590	Nugent	2016AJ....152...63N	NEATM
8.66	0.460	0.460	Masiero	2012ApJ...759L...8M	NEATM