value	unc_up	unc_lo	author	ref	method
0.032	0.0100	0.0100	Masiero	2012ApJ...759L...8M	NEATM
0.039	0.0251	0.0251	Masiero	2017AJ....154..168M	NEATM
0.050	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.056	0.0280	0.0570	Masiero	2021PSJ.....2..162M	NEATM