value	unc_up	unc_lo	author	ref	method
0.216	0.0242	0.0242	Masiero	2011ApJ...741...68M	NEATM
0.220	0.0400	0.0400	Masiero	2014ApJ...791..121M	NEATM
0.310	0.1500	0.1500	Nugent	2016AJ....152...63N	NEATM
0.315	0.0280	0.0280	Masiero	2012ApJ...759L...8M	NEATM