value	unc_up	unc_lo	author	ref	method
8.30	2.200	2.200	Masiero	2021PSJ.....2..162M	NEATM
8.64	2.140	2.140	Nugent	2016AJ....152...63N	NEATM
9.14	0.097	0.097	Masiero	2011ApJ...741...68M	NEATM