value	unc_up	unc_lo	author	ref	method
13.16	4.340	4.340	Nugent	2016AJ....152...63N	NEATM
13.88	4.450	4.450	Masiero	2012ApJ...759L...8M	NEATM
18.21	0.112	0.112	Masiero	2011ApJ...741...68M	NEATM