value	unc_up	unc_lo	author	ref	method
2.65	0.490	0.490	Nugent	2016AJ....152...63N	NEATM
3.84	0.390	0.390	Masiero	2014ApJ...791..121M	NEATM
3.99	0.058	0.058	Masiero	2011ApJ...741...68M	NEATM