value	unc_up	unc_lo	author	ref	method
0.248	0.0370	0.0370	Masiero	2012ApJ...759L...8M	NEATM
0.268	0.1089	0.1089	Masiero	2011ApJ...741...68M	NEATM
0.310	0.1500	0.1500	Nugent	2016AJ....152...63N	NEATM