value	unc_up	unc_lo	author	ref	method
0.044	0.0330	0.0330	Masiero	2012ApJ...759L...8M	NEATM
0.050	0.0700	0.0700	Nugent	2016AJ....152...63N	NEATM
0.068	0.0612	0.0612	Masiero	2017AJ....154..168M	NEATM
0.072	0.0117	0.0117	Masiero	2011ApJ...741...68M	NEATM