value	unc_up	unc_lo	author	ref	method
7.25	1.580	1.580	Nugent	2016AJ....152...63N	NEATM
7.54	1.850	1.850	Masiero	2020PSJ.....1....5M	NEATM
8.84	0.130	0.130	Masiero	2012ApJ...759L...8M	NEATM