value	unc_up	unc_lo	author	ref	method
4.25	1.000	1.000	Nugent	2016AJ....152...63N	NEATM
4.43	1.020	1.020	Masiero	2021PSJ.....2..162M	NEATM
4.99	1.130	1.130	Masiero	2012ApJ...759L...8M	NEATM