value	unc_up	unc_lo	author	ref	method
3.17	1.020	1.020	Nugent	2016AJ....152...63N	NEATM
3.31	0.570	0.570	Masiero	2020PSJ.....1....5M	NEATM
3.70	0.600	0.600	Masiero	2012ApJ...759L...8M	NEATM