value	unc_up	unc_lo	author	ref	method
7.80	0.144	0.144	Masiero	2011ApJ...741...68M	NEATM
8.44	2.110	2.110	Masiero	2020PSJ.....1....5M	NEATM
8.73	3.200	3.200	Masiero	2021PSJ.....2..162M	NEATM
9.34	3.250	3.250	Nugent	2016AJ....152...63N	NEATM