value	unc_up	unc_lo	author	ref	method
3.72	0.880	0.880	Nugent	2016AJ....152...63N	NEATM
3.83	0.200	0.200	Masiero	2012ApJ...759L...8M	NEATM
4.92	0.200	0.200	Masiero	2011ApJ...741...68M	NEATM