value	unc_up	unc_lo	author	ref	method
4.25	1.520	1.520	Nugent	2016AJ....152...63N	NEATM
4.89	1.440	1.440	Masiero	2020PSJ.....1....5M	NEATM
5.40	1.970	1.970	Masiero	2012ApJ...759L...8M	NEATM