value	unc_up	unc_lo	author	ref	method
9.40	0.221	0.221	Masiero	2011ApJ...741...68M	NEATM
9.57	2.450	2.450	Nugent	2016AJ....152...63N	NEATM
9.66	2.170	2.170	Masiero	2021PSJ.....2..162M	NEATM