value	unc_up	unc_lo	author	ref	method
6.33	1.550	1.550	Nugent	2016AJ....152...63N	NEATM
7.02	0.170	0.170	Masiero	2012ApJ...759L...8M	NEATM
7.53	0.094	0.094	Masiero	2011ApJ...741...68M	NEATM
7.92	1.620	1.620	Masiero	2021PSJ.....2..162M	NEATM