value	unc_up	unc_lo	author	ref	method
0.036	0.0050	0.0050	Masiero	2011ApJ...741...68M	NEATM
0.040	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.040	0.0500	0.0500	Nugent	2016AJ....152...63N	NEATM
0.042	0.0257	0.0257	Masiero	2017AJ....154..168M	NEATM
0.049	0.0550	0.0550	Masiero	2012ApJ...759L...8M	NEATM