value	unc_up	unc_lo	author	ref	method
11.50	4.460	4.460	Nugent	2016AJ....152...63N	NEATM
11.96	3.870	3.870	Masiero	2021PSJ.....2..162M	NEATM
9.71	0.185	0.185	Masiero	2011ApJ...741...68M	NEATM