value	unc_up	unc_lo	author	ref	method
12.14	0.103	0.103	Masiero	2011ApJ...741...68M	NEATM
12.15	0.230	0.230	Masiero	2014ApJ...791..121M	NEATM
12.27	1.300	1.300	Tedesco	2002AJ....123.1056T	STM