value	unc_up	unc_lo	author	ref	method
4.39	1.260	1.260	Masiero	2021PSJ.....2..162M	NEATM
4.91	0.680	0.680	Masiero	2012ApJ...759L...8M	NEATM
5.24	1.177	1.177	Masiero	2011ApJ...741...68M	NEATM
5.71	1.770	1.770	Nugent	2016AJ....152...63N	NEATM