value	unc_up	unc_lo	author	ref	method
3.97	0.091	0.091	Masiero	2011ApJ...741...68M	NEATM
4.38	1.180	1.180	Nugent	2016AJ....152...63N	NEATM
4.50	1.150	1.150	Masiero	2020PSJ.....1....5M	NEATM
4.68	1.120	1.120	Masiero	2012ApJ...759L...8M	NEATM