value	unc_up	unc_lo	author	ref	method
5.71	1.070	1.070	Nugent	2016AJ....152...63N	NEATM
7.23	1.920	1.920	Masiero	2012ApJ...759L...8M	NEATM
7.28	0.404	0.404	Masiero	2011ApJ...741...68M	NEATM