value	unc_up	unc_lo	author	ref	method
2.40	0.580	0.580	Masiero	2021PSJ.....2..162M	NEATM
2.57	0.480	0.480	Nugent	2016AJ....152...63N	NEATM
3.29	0.951	0.951	Masiero	2011ApJ...741...68M	NEATM