value	unc_up	unc_lo	author	ref	method
2.91	0.750	0.750	Nugent	2016AJ....152...63N	NEATM
3.19	0.880	0.880	Masiero	2020PSJ.....1....5M	NEATM
3.77	0.208	0.208	Masiero	2011ApJ...741...68M	NEATM