value	unc_up	unc_lo	author	ref	method
0.244	0.0218	0.0218	Masiero	2011ApJ...741...68M	NEATM
0.245	0.0460	0.0460	Masiero	2012ApJ...759L...8M	NEATM
0.320	0.1700	0.1700	Nugent	2016AJ....152...63N	NEATM