value	unc_up	unc_lo	author	ref	method
6.29	1.130	1.130	Nugent	2016AJ....152...63N	NEATM
6.71	0.090	0.090	Masiero	2014ApJ...791..121M	NEATM
6.76	0.130	0.130	Masiero	2014ApJ...791..121M	NEATM
6.90	0.062	0.062	Masiero	2011ApJ...741...68M	NEATM
7.16	0.094	0.094	Masiero	2011ApJ...741...68M	NEATM