value	unc_up	unc_lo	author	ref	method
0.170	0.1400	0.1400	Nugent	2016AJ....152...63N	NEATM
0.197	0.0170	0.0170	Masiero	2012ApJ...759L...8M	NEATM
0.322	0.0548	0.0548	Masiero	2011ApJ...741...68M	NEATM
0.340	0.1400	0.1400	Nugent	2016AJ....152...63N	NEATM