value	unc_up	unc_lo	author	ref	method
0.064	0.0197	0.0197	Masiero	2011ApJ...741...68M	NEATM
0.073	0.0510	0.0510	Masiero	2020PSJ.....1....5M	NEATM
0.080	0.0500	0.0500	Nugent	2016AJ....152...63N	NEATM