value	unc_up	unc_lo	author	ref	method
6.08	1.270	1.270	Masiero	2021PSJ.....2..162M	NEATM
6.09	1.700	1.700	Nugent	2016AJ....152...63N	NEATM
6.54	2.170	2.170	Masiero	2012ApJ...759L...8M	NEATM
8.46	0.199	0.199	Masiero	2011ApJ...741...68M	NEATM