value	unc_up	unc_lo	author	ref	method
3.54	0.920	0.920	Nugent	2016AJ....152...63N	NEATM
4.46	1.300	1.300	Masiero	2012ApJ...759L...8M	NEATM
4.72	0.233	0.233	Masiero	2011ApJ...741...68M	NEATM