value	unc_up	unc_lo	author	ref	method
0.195	0.1580	0.1580	Masiero	2012ApJ...759L...8M	NEATM
0.270	0.1100	0.1100	Nugent	2016AJ....152...63N	NEATM
0.353	0.1522	0.1522	Masiero	2011ApJ...741...68M	NEATM