value	unc_up	unc_lo	author	ref	method
2.86	0.400	0.400	Masiero	2012ApJ...759L...8M	NEATM
4.27	0.389	0.389	Masiero	2011ApJ...741...68M	NEATM
4.29	1.270	1.270	Nugent	2016AJ....152...63N	NEATM