value	unc_up	unc_lo	author	ref	method
4.05	1.220	1.220	Masiero	2020PSJ.....1....5M	NEATM
4.27	1.080	1.080	Masiero	2021PSJ.....2..162M	NEATM
4.42	1.350	1.350	Nugent	2016AJ....152...63N	NEATM
4.71	0.123	0.123	Masiero	2011ApJ...741...68M	NEATM