value	unc_up	unc_lo	author	ref	method
0.034	0.0260	0.0260	Masiero	2020PSJ.....1....5M	NEATM
0.042	0.0270	0.0270	Masiero	2020PSJ.....1....5M	NEATM
0.042	0.0079	0.0079	Masiero	2011ApJ...741...68M	NEATM
0.050	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM