value	unc_up	unc_lo	author	ref	method
7.49	2.170	2.170	Masiero	2021PSJ.....2..162M	NEATM
8.49	0.222	0.222	Masiero	2011ApJ...741...68M	NEATM
8.98	2.150	2.150	Nugent	2016AJ....152...63N	NEATM