value	unc_up	unc_lo	author	ref	method
0.060	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.068	0.0120	0.0120	Masiero	2012ApJ...759L...8M	NEATM
0.093	0.0119	0.0119	Masiero	2011ApJ...741...68M	NEATM