value	unc_up	unc_lo	author	ref	method
4.23	0.180	0.180	Masiero	2012ApJ...759L...8M	NEATM
4.31	0.081	0.081	Masiero	2011ApJ...741...68M	NEATM
4.57	1.260	1.260	Nugent	2016AJ....152...63N	NEATM