value	unc_up	unc_lo	author	ref	method
5.90	1.660	1.660	Nugent	2016AJ....152...63N	NEATM
5.94	1.400	1.400	Masiero	2021PSJ.....2..162M	NEATM
6.36	2.490	2.490	Masiero	2012ApJ...759L...8M	NEATM