value	unc_up	unc_lo	author	ref	method
2.71	0.490	0.490	Nugent	2016AJ....152...63N	NEATM
2.91	0.730	0.730	Nugent	2016AJ....152...63N	NEATM
3.72	0.267	0.267	Masiero	2011ApJ...741...68M	NEATM