value	unc_up	unc_lo	author	ref	method
5.91	1.890	1.890	Masiero	2021PSJ.....2..162M	NEATM
6.29	1.940	1.940	Nugent	2016AJ....152...63N	NEATM
7.57	0.529	0.529	Masiero	2011ApJ...741...68M	NEATM