value	unc_up	unc_lo	author	ref	method
18.93	7.430	7.430	Nugent	2016AJ....152...63N	NEATM
19.01	0.138	0.138	Masiero	2011ApJ...741...68M	NEATM
22.72	8.390	8.390	Nugent	2016AJ....152...63N	NEATM
26.17	12.170	12.170	Masiero	2012ApJ...759L...8M	NEATM