value	unc_up	unc_lo	author	ref	method
4.94	1.590	1.590	Masiero	2020PSJ.....1....5M	NEATM
5.03	1.010	1.010	Nugent	2016AJ....152...63N	NEATM
5.81	1.370	1.370	Masiero	2012ApJ...759L...8M	NEATM
6.26	0.077	0.077	Masiero	2011ApJ...741...68M	NEATM