value	unc_up	unc_lo	author	ref	method
7.05	2.010	2.010	Masiero	2021PSJ.....2..162M	NEATM
8.29	0.125	0.125	Masiero	2011ApJ...741...68M	NEATM
8.64	2.440	2.440	Masiero	2012ApJ...759L...8M	NEATM
8.82	2.650	2.650	Nugent	2016AJ....152...63N	NEATM