value	unc_up	unc_lo	author	ref	method
0.203	0.0122	0.0122	Masiero	2011ApJ...741...68M	NEATM
0.240	0.0400	0.0400	Masiero	2014ApJ...791..121M	NEATM
0.260	0.0900	0.0900	Nugent	2016AJ....152...63N	NEATM
0.298	0.0350	0.0350	Masiero	2012ApJ...759L...8M	NEATM