value	unc_up	unc_lo	author	ref	method
4.98	1.170	1.170	Nugent	2016AJ....152...63N	NEATM
5.03	1.300	1.300	Masiero	2020PSJ.....1....5M	NEATM
5.50	1.630	1.630	Masiero	2012ApJ...759L...8M	NEATM
6.11	0.028	0.028	Masiero	2011ApJ...741...68M	NEATM