value	unc_up	unc_lo	author	ref	method
11.34	0.141	0.141	Masiero	2011ApJ...741...68M	NEATM
11.84	3.660	3.660	Masiero	2017AJ....154..168M	NEATM
13.68	4.370	4.370	Nugent	2016AJ....152...63N	NEATM