value	unc_up	unc_lo	author	ref	method
12.84	3.240	3.240	Nugent	2016AJ....152...63N	NEATM
12.96	3.661	3.661	Masiero	2017AJ....154..168M	NEATM
14.89	4.660	4.660	Masiero	2012ApJ...759L...8M	NEATM