value	unc_up	unc_lo	author	ref	method
0.046	0.0059	0.0059	Masiero	2011ApJ...741...68M	NEATM
0.057	0.0310	0.0670	Masiero	2021PSJ.....2..162M	NEATM
0.057	0.1020	0.1020	Masiero	2012ApJ...759L...8M	NEATM
0.060	0.0500	0.0500	Nugent	2016AJ....152...63N	NEATM