value	unc_up	unc_lo	author	ref	method
5.93	1.560	1.560	Nugent	2016AJ....152...63N	NEATM
6.57	1.800	1.800	Masiero	2020PSJ.....1....5M	NEATM
7.37	0.390	0.390	Masiero	2012ApJ...759L...8M	NEATM