value	unc_up	unc_lo	author	ref	method
2.00	0.010	0.010	Nugent	2016AJ....152...63N	NEATM
2.33	0.545	0.545	Masiero	2011ApJ...741...68M	NEATM
3.04	1.410	1.410	Masiero	2020PSJ.....1....5M	NEATM
3.74	1.600	1.600	Masiero	2021PSJ.....2..162M	NEATM
3.83	1.617	1.617	Masiero	2017AJ....154..168M	NEATM