value	unc_up	unc_lo	author	ref	method
4.06	1.050	1.050	Masiero	2021PSJ.....2..162M	NEATM
4.09	0.870	0.870	Nugent	2016AJ....152...63N	NEATM
4.30	1.730	1.730	Masiero	2012ApJ...759L...8M	NEATM