value	unc_up	unc_lo	author	ref	method
8.37	0.100	0.100	Masiero	2014ApJ...791..121M	NEATM
9.05	0.068	0.068	Masiero	2011ApJ...741...68M	NEATM
9.22	0.900	0.900	Tedesco	2002AJ....123.1056T	STM