value	unc_up	unc_lo	author	ref	method
2.50	0.650	0.650	Nugent	2016AJ....152...63N	NEATM
2.66	0.840	0.840	Masiero	2021PSJ.....2..162M	NEATM
3.43	0.918	0.918	Masiero	2011ApJ...741...68M	NEATM