value	unc_up	unc_lo	author	ref	method
3.31	0.660	0.660	Nugent	2016AJ....152...63N	NEATM
3.37	0.840	0.840	Masiero	2020PSJ.....1....5M	NEATM
4.32	0.243	0.243	Masiero	2011ApJ...741...68M	NEATM
4.32	2.160	2.160	Masiero	2012ApJ...759L...8M	NEATM