value	unc_up	unc_lo	author	ref	method
3.29	0.500	0.500	Masiero	2012ApJ...759L...8M	NEATM
3.73	0.610	0.610	Masiero	2021PSJ.....2..162M	NEATM
3.80	0.735	0.735	Masiero	2017AJ....154..168M	NEATM
3.93	0.800	0.800	Nugent	2016AJ....152...63N	NEATM