value	unc_up	unc_lo	author	ref	method
10.08	2.921	2.921	Masiero	2017AJ....154..168M	NEATM
10.64	0.073	0.073	Masiero	2011ApJ...741...68M	NEATM
9.52	2.260	2.260	Nugent	2016AJ....152...63N	NEATM