value	unc_up	unc_lo	author	ref	method
6.57	0.251	0.251	Masiero	2011ApJ...741...68M	NEATM
6.84	2.140	2.140	Masiero	2020PSJ.....1....5M	NEATM
7.11	3.070	3.070	Masiero	2012ApJ...759L...8M	NEATM
8.13	1.642	1.642	Masiero	2017AJ....154..168M	NEATM