value	unc_up	unc_lo	author	ref	method
8.26	1.470	1.470	Nugent	2016AJ....152...63N	NEATM
8.30	0.300	0.300	Masiero	2012ApJ...759L...8M	NEATM
9.45	0.141	0.141	Masiero	2011ApJ...741...68M	NEATM