value	unc_up	unc_lo	author	ref	method
0.061	0.0095	0.0095	Masiero	2011ApJ...741...68M	NEATM
0.078	0.0390	0.0390	Masiero	2012ApJ...759L...8M	NEATM
0.092	0.0560	0.0560	Masiero	2020PSJ.....1....5M	NEATM
0.550	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM