value	unc_up	unc_lo	author	ref	method
4.33	1.420	1.420	Masiero	2021PSJ.....2..162M	NEATM
4.78	1.320	1.320	Masiero	2021PSJ.....2..162M	NEATM
4.91	1.410	1.410	Masiero	2012ApJ...759L...8M	NEATM
5.74	0.054	0.054	Masiero	2011ApJ...741...68M	NEATM