value	unc_up	unc_lo	author	ref	method
6.11	0.189	0.189	Masiero	2011ApJ...741...68M	NEATM
7.80	2.140	2.140	Masiero	2021PSJ.....2..162M	NEATM
8.49	2.870	2.870	Nugent	2016AJ....152...63N	NEATM
8.52	2.149	2.149	Masiero	2017AJ....154..168M	NEATM