value	unc_up	unc_lo	author	ref	method
4.99	0.930	0.930	Nugent	2016AJ....152...63N	NEATM
5.45	1.430	1.430	Masiero	2017AJ....154..168M	NEATM
6.12	0.335	0.335	Masiero	2011ApJ...741...68M	NEATM