value	unc_up	unc_lo	author	ref	method
0.178	0.0323	0.0323	Masiero	2011ApJ...741...68M	NEATM
0.250	0.0700	0.0700	Nugent	2016AJ....152...63N	NEATM
0.255	0.1010	0.1010	Masiero	2012ApJ...759L...8M	NEATM