value	unc_up	unc_lo	author	ref	method
5.04	1.570	1.570	Masiero	2020PSJ.....1....5M	NEATM
5.70	1.630	1.630	Masiero	2021PSJ.....2..162M	NEATM
5.76	1.620	1.620	Masiero	2012ApJ...759L...8M	NEATM
6.11	1.780	1.780	Nugent	2016AJ....152...63N	NEATM