value	unc_up	unc_lo	author	ref	method
3.27	0.820	0.820	Masiero	2021PSJ.....2..162M	NEATM
3.50	0.820	0.820	Nugent	2016AJ....152...63N	NEATM
4.86	0.332	0.332	Masiero	2011ApJ...741...68M	NEATM