value	unc_up	unc_lo	author	ref	method
5.50	1.720	1.720	Masiero	2020PSJ.....1....5M	NEATM
6.83	1.840	1.840	Masiero	2021PSJ.....2..162M	NEATM
7.57	2.050	2.050	Nugent	2016AJ....152...63N	NEATM
7.94	0.260	0.260	Masiero	2012ApJ...759L...8M	NEATM