value	unc_up	unc_lo	author	ref	method
3.88	1.190	1.190	Masiero	2020PSJ.....1....5M	NEATM
4.03	0.283	0.283	Masiero	2011ApJ...741...68M	NEATM
4.19	1.080	1.080	Nugent	2016AJ....152...63N	NEATM
4.75	1.250	1.250	Masiero	2012ApJ...759L...8M	NEATM