value	unc_up	unc_lo	author	ref	method
5.99	1.190	1.190	Nugent	2016AJ....152...63N	NEATM
6.17	0.135	0.135	Masiero	2011ApJ...741...68M	NEATM
6.43	1.310	1.310	Nugent	2016AJ....152...63N	NEATM