value	unc_up	unc_lo	author	ref	method
4.05	1.060	1.060	Masiero	2021PSJ.....2..162M	NEATM
4.50	0.810	0.810	Masiero	2021PSJ.....2..162M	NEATM
5.51	0.280	0.280	Masiero	2012ApJ...759L...8M	NEATM
5.61	1.420	1.420	Nugent	2016AJ....152...63N	NEATM