value	unc_up	unc_lo	author	ref	method
6.01	0.161	0.161	Masiero	2011ApJ...741...68M	NEATM
6.13	1.150	1.150	Masiero	2021PSJ.....2..162M	NEATM
6.33	1.462	1.462	Masiero	2017AJ....154..168M	NEATM
6.79	2.650	2.650	Masiero	2012ApJ...759L...8M	NEATM