value	unc_up	unc_lo	author	ref	method
0.190	0.0252	0.0252	Masiero	2011ApJ...741...68M	NEATM
0.190	0.0200	0.0200	Masiero	2014ApJ...791..121M	NEATM
0.230	0.1200	0.1200	Nugent	2016AJ....152...63N	NEATM
0.280	0.0900	0.0900	Nugent	2016AJ....152...63N	NEATM