value	unc_up	unc_lo	author	ref	method
5.57	1.530	1.530	Masiero	2021PSJ.....2..162M	NEATM
6.15	1.850	1.850	Nugent	2016AJ....152...63N	NEATM
7.27	1.090	1.090	Masiero	2012ApJ...759L...8M	NEATM