value	unc_up	unc_lo	author	ref	method
0.170	0.0800	0.0800	Nugent	2016AJ....152...63N	NEATM
0.202	0.0396	0.0396	Masiero	2011ApJ...741...68M	NEATM
0.230	0.0800	0.0800	Masiero	2014ApJ...791..121M	NEATM