value	unc_up	unc_lo	author	ref	method
3.16	0.410	0.410	Nugent	2016AJ....152...63N	NEATM
4.54	0.501	0.501	Masiero	2011ApJ...741...68M	NEATM
4.73	0.389	0.389	Masiero	2011ApJ...741...68M	NEATM