value	unc_up	unc_lo	author	ref	method
0.300	0.1400	0.1400	Nugent	2016AJ....152...63N	NEATM
0.303	0.0760	0.0760	Masiero	2012ApJ...759L...8M	NEATM
0.371	0.1152	0.1152	Masiero	2011ApJ...741...68M	NEATM