value	unc_up	unc_lo	author	ref	method
0.140	0.1200	0.1200	Nugent	2016AJ....152...63N	NEATM
0.150	0.0800	0.0800	Nugent	2016AJ....152...63N	NEATM
0.196	0.0250	0.0250	Masiero	2012ApJ...759L...8M	NEATM
0.200	0.0368	0.0368	Masiero	2011ApJ...741...68M	NEATM
0.270	0.0400	0.0400	Masiero	2014ApJ...791..121M	NEATM