value	unc_up	unc_lo	author	ref	method
0.228	0.0220	0.0220	Masiero	2012ApJ...759L...8M	NEATM
0.240	0.1300	0.1300	Nugent	2016AJ....152...63N	NEATM
0.260	0.0300	0.0300	Masiero	2014ApJ...791..121M	NEATM
0.290	0.0402	0.0402	Masiero	2011ApJ...741...68M	NEATM