value	unc_up	unc_lo	author	ref	method
0.124	0.0643	0.0643	Masiero	2017AJ....154..168M	NEATM
0.186	0.0083	0.0083	Masiero	2011ApJ...741...68M	NEATM
0.240	0.1100	0.1100	Nugent	2016AJ....152...63N	NEATM
0.250	0.0900	0.0900	Nugent	2016AJ....152...63N	NEATM