value	unc_up	unc_lo	author	ref	method
6.22	1.350	1.350	Nugent	2016AJ....152...63N	NEATM
6.47	1.350	1.350	Nugent	2016AJ....152...63N	NEATM
7.21	0.124	0.124	Masiero	2011ApJ...741...68M	NEATM
7.51	0.180	0.180	Masiero	2012ApJ...759L...8M	NEATM