value	unc_up	unc_lo	author	ref	method
4.46	1.290	1.290	Nugent	2016AJ....152...63N	NEATM
4.54	0.880	0.880	Masiero	2021PSJ.....2..162M	NEATM
4.92	1.600	1.600	Masiero	2012ApJ...759L...8M	NEATM