value	unc_up	unc_lo	author	ref	method
4.68	0.720	0.720	Nugent	2016AJ....152...63N	NEATM
5.47	0.284	0.284	Masiero	2011ApJ...741...68M	NEATM
5.76	0.930	0.930	Masiero	2012ApJ...759L...8M	NEATM