value	unc_up	unc_lo	author	ref	method
0.046	0.0136	0.0136	Masiero	2011ApJ...741...68M	NEATM
0.055	0.0401	0.0401	Masiero	2017AJ....154..168M	NEATM
0.060	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM