value	unc_up	unc_lo	author	ref	method
4.16	1.080	1.080	Masiero	2021PSJ.....2..162M	NEATM
4.40	1.280	1.280	Nugent	2016AJ....152...63N	NEATM
4.73	1.592	1.592	Masiero	2017AJ....154..168M	NEATM
6.19	0.207	0.207	Masiero	2011ApJ...741...68M	NEATM