value	unc_up	unc_lo	author	ref	method
0.046	0.0067	0.0067	Masiero	2011ApJ...741...68M	NEATM
0.056	0.0341	0.0341	Masiero	2017AJ....154..168M	NEATM
0.060	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.087	0.0410	0.0770	Masiero	2021PSJ.....2..162M	NEATM