value	unc_up	unc_lo	author	ref	method
0.200	0.0270	0.0270	Masiero	2011ApJ...741...68M	NEATM
0.220	0.0300	0.0300	Masiero	2014ApJ...791..121M	NEATM
0.291	0.0440	0.0440	Masiero	2012ApJ...759L...8M	NEATM
0.360	0.1400	0.1400	Nugent	2016AJ....152...63N	NEATM