value	unc_up	unc_lo	author	ref	method
2.57	0.660	0.660	Masiero	2021PSJ.....2..162M	NEATM
2.74	0.650	0.650	Nugent	2016AJ....152...63N	NEATM
3.42	0.974	0.974	Masiero	2011ApJ...741...68M	NEATM