value	unc_up	unc_lo	author	ref	method
4.64	0.870	0.870	Nugent	2016AJ....152...63N	NEATM
5.97	0.630	0.630	Masiero	2012ApJ...759L...8M	NEATM
6.27	0.356	0.356	Masiero	2011ApJ...741...68M	NEATM