value	unc_up	unc_lo	author	ref	method
2.96	1.054	1.054	Masiero	2011ApJ...741...68M	NEATM
3.12	0.790	0.790	Nugent	2016AJ....152...63N	NEATM
3.42	1.060	1.060	Masiero	2017AJ....154..168M	NEATM