value	unc_up	unc_lo	author	ref	method
0.220	0.0419	0.0419	Masiero	2011ApJ...741...68M	NEATM
0.250	0.1200	0.1200	Nugent	2016AJ....152...63N	NEATM
0.260	0.1781	0.1781	Masiero	2011ApJ...741...68M	NEATM