value	unc_up	unc_lo	author	ref	method
4.76	1.090	1.090	Nugent	2016AJ....152...63N	NEATM
5.13	0.820	0.820	Masiero	2012ApJ...759L...8M	NEATM
5.16	0.440	0.440	Masiero	2011ApJ...741...68M	NEATM