value	unc_up	unc_lo	author	ref	method
7.83	0.290	0.290	Masiero	2012ApJ...759L...8M	NEATM
7.90	1.660	1.660	Nugent	2016AJ....152...63N	NEATM
8.44	0.104	0.104	Masiero	2011ApJ...741...68M	NEATM