value	unc_up	unc_lo	author	ref	method
3.51	0.650	0.650	Nugent	2016AJ....152...63N	NEATM
3.71	0.818	0.818	Masiero	2011ApJ...741...68M	NEATM
4.78	1.080	1.080	Masiero	2012ApJ...759L...8M	NEATM