value	unc_up	unc_lo	author	ref	method
6.94	0.150	0.150	Masiero	2011ApJ...741...68M	NEATM
7.28	2.050	2.050	Nugent	2016AJ....152...63N	NEATM
7.43	2.130	2.130	Masiero	2021PSJ.....2..162M	NEATM
9.21	4.680	4.680	Masiero	2012ApJ...759L...8M	NEATM