value	unc_up	unc_lo	author	ref	method
0.250	0.0900	0.0900	Nugent	2016AJ....152...63N	NEATM
0.292	0.0337	0.0337	Masiero	2011ApJ...741...68M	NEATM
0.327	0.0316	0.0316	Masiero	2011ApJ...741...68M	NEATM