value	unc_up	unc_lo	author	ref	method
3.60	0.950	0.950	Masiero	2020PSJ.....1....5M	NEATM
3.81	1.070	1.070	Masiero	2021PSJ.....2..162M	NEATM
4.08	1.030	1.030	Masiero	2012ApJ...759L...8M	NEATM
4.24	1.360	1.360	Nugent	2016AJ....152...63N	NEATM