value	unc_up	unc_lo	author	ref	method
5.69	1.400	1.400	Nugent	2016AJ....152...63N	NEATM
5.73	1.560	1.560	Nugent	2016AJ....152...63N	NEATM
6.26	1.760	1.760	Masiero	2012ApJ...759L...8M	NEATM
7.75	0.191	0.191	Masiero	2011ApJ...741...68M	NEATM