value	unc_up	unc_lo	author	ref	method
3.10	0.880	0.880	Nugent	2016AJ....152...63N	NEATM
3.18	0.111	0.111	Masiero	2011ApJ...741...68M	NEATM
3.54	0.750	0.750	Masiero	2012ApJ...759L...8M	NEATM