value	unc_up	unc_lo	author	ref	method
0.054	0.0257	0.0257	Masiero	2011ApJ...741...68M	NEATM
0.060	0.0378	0.0378	Masiero	2017AJ....154..168M	NEATM
0.060	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.070	0.0300	0.0540	Masiero	2021PSJ.....2..162M	NEATM