value	unc_up	unc_lo	author	ref	method
4.04	1.570	1.570	Masiero	2020PSJ.....1....5M	NEATM
4.32	1.330	1.330	Masiero	2020PSJ.....1....5M	NEATM
4.35	2.400	2.400	Masiero	2012ApJ...759L...8M	NEATM
4.90	0.150	0.150	Masiero	2011ApJ...741...68M	NEATM