value	unc_up	unc_lo	author	ref	method
7.48	2.250	2.250	Masiero	2021PSJ.....2..162M	NEATM
7.71	0.093	0.093	Masiero	2011ApJ...741...68M	NEATM
8.73	2.250	2.250	Nugent	2016AJ....152...63N	NEATM