value	unc_up	unc_lo	author	ref	method
0.180	0.1100	0.1100	Nugent	2016AJ....152...63N	NEATM
0.260	0.1800	0.1800	Nugent	2016AJ....152...63N	NEATM
0.280	0.0390	0.0390	Masiero	2012ApJ...759L...8M	NEATM
0.282	0.0518	0.0518	Masiero	2011ApJ...741...68M	NEATM