value	unc_up	unc_lo	author	ref	method
0.050	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.070	0.0310	0.0310	Masiero	2012ApJ...759L...8M	NEATM
0.113	0.0294	0.0294	Masiero	2011ApJ...741...68M	NEATM