value	unc_up	unc_lo	author	ref	method
0.040	0.0180	0.0330	Masiero	2021PSJ.....2..162M	NEATM
0.040	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.055	0.0059	0.0059	Masiero	2011ApJ...741...68M	NEATM