value	unc_up	unc_lo	author	ref	method
6.20	1.160	1.160	Masiero	2021PSJ.....2..162M	NEATM
7.29	1.650	1.650	Nugent	2016AJ....152...63N	NEATM
7.66	2.830	2.830	Masiero	2012ApJ...759L...8M	NEATM
7.92	1.960	1.960	Masiero	2021PSJ.....2..162M	NEATM