value	unc_up	unc_lo	author	ref	method
4.65	1.090	1.090	Nugent	2016AJ....152...63N	NEATM
4.65	1.370	1.370	Masiero	2021PSJ.....2..162M	NEATM
6.09	1.430	1.430	Masiero	2012ApJ...759L...8M	NEATM
6.84	2.290	2.290	Masiero	2020PSJ.....1....5M	NEATM