value	unc_up	unc_lo	author	ref	method
0.218	0.0419	0.0419	Masiero	2011ApJ...741...68M	NEATM
0.235	0.0297	0.0297	Masiero	2011ApJ...741...68M	NEATM
0.250	0.0200	0.0200	Masiero	2014ApJ...791..121M	NEATM
0.250	0.0800	0.0800	Masiero	2014ApJ...791..121M	NEATM
0.340	0.1500	0.1500	Nugent	2016AJ....152...63N	NEATM