value	unc_up	unc_lo	author	ref	method
3.12	0.740	0.740	Masiero	2021PSJ.....2..162M	NEATM
3.17	0.740	0.740	Nugent	2016AJ....152...63N	NEATM
3.31	1.120	1.120	Masiero	2012ApJ...759L...8M	NEATM