value	unc_up	unc_lo	author	ref	method
4.75	1.200	1.200	Masiero	2021PSJ.....2..162M	NEATM
4.79	1.220	1.220	Nugent	2016AJ....152...63N	NEATM
5.14	1.630	1.630	Masiero	2012ApJ...759L...8M	NEATM