value	unc_up	unc_lo	author	ref	method
5.94	1.310	1.310	Nugent	2016AJ....152...63N	NEATM
6.71	0.117	0.117	Masiero	2011ApJ...741...68M	NEATM
6.89	1.800	1.800	Nugent	2016AJ....152...63N	NEATM