value	unc_up	unc_lo	author	ref	method
7.23	0.124	0.124	Masiero	2011ApJ...741...68M	NEATM
8.46	2.170	2.170	Masiero	2021PSJ.....2..162M	NEATM
9.09	2.830	2.830	Nugent	2016AJ....152...63N	NEATM