value	unc_up	unc_lo	author	ref	method
0.173	0.0340	0.0340	Masiero	2012ApJ...759L...8M	NEATM
0.292	0.0328	0.0328	Masiero	2011ApJ...741...68M	NEATM
0.310	0.0400	0.0400	Masiero	2014ApJ...791..121M	NEATM
0.470	0.1300	0.1300	Nugent	2016AJ....152...63N	NEATM