value	unc_up	unc_lo	author	ref	method
6.64	1.847	1.847	Masiero	2017AJ....154..168M	NEATM
6.98	2.550	2.550	Masiero	2012ApJ...759L...8M	NEATM
7.11	0.106	0.106	Masiero	2011ApJ...741...68M	NEATM
7.24	2.290	2.290	Masiero	2021PSJ.....2..162M	NEATM
7.84	2.330	2.330	Nugent	2016AJ....152...63N	NEATM