value	unc_up	unc_lo	author	ref	method
5.28	1.080	1.080	Nugent	2016AJ....152...63N	NEATM
5.69	0.190	0.190	Masiero	2012ApJ...759L...8M	NEATM
5.79	0.185	0.185	Masiero	2011ApJ...741...68M	NEATM