value	unc_up	unc_lo	author	ref	method
2.68	0.920	0.920	Nugent	2016AJ....152...63N	NEATM
2.87	0.930	0.930	Masiero	2021PSJ.....2..162M	NEATM
2.93	0.084	0.084	Masiero	2011ApJ...741...68M	NEATM