value	unc_up	unc_lo	author	ref	method
2.55	0.730	0.730	Nugent	2016AJ....152...63N	NEATM
2.64	0.490	0.490	Masiero	2020PSJ.....1....5M	NEATM
3.04	0.624	0.624	Masiero	2011ApJ...741...68M	NEATM