value	unc_up	unc_lo	author	ref	method
6.08	0.080	0.080	Masiero	2014ApJ...791..121M	NEATM
6.48	0.117	0.117	Masiero	2011ApJ...741...68M	NEATM
6.61	1.490	1.490	Nugent	2016AJ....152...63N	NEATM