value	unc_up	unc_lo	author	ref	method
8.79	0.247	0.247	Masiero	2011ApJ...741...68M	NEATM
9.01	3.090	3.090	Masiero	2020PSJ.....1....5M	NEATM
9.53	4.349	4.349	Masiero	2017AJ....154..168M	NEATM