value	unc_up	unc_lo	author	ref	method
0.035	0.0270	0.0270	Masiero	2012ApJ...759L...8M	NEATM
0.038	0.0590	0.0590	Masiero	2020PSJ.....1....5M	NEATM
0.039	0.0220	0.0510	Masiero	2021PSJ.....2..162M	NEATM
0.049	0.0440	0.0440	Masiero	2020PSJ.....1....5M	NEATM
0.051	0.0085	0.0085	Masiero	2011ApJ...741...68M	NEATM
0.450	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM