value	unc_up	unc_lo	author	ref	method
6.16	1.830	1.830	Masiero	2021PSJ.....2..162M	NEATM
6.49	1.830	1.830	Nugent	2016AJ....152...63N	NEATM
7.67	2.470	2.470	Masiero	2012ApJ...759L...8M	NEATM