value	unc_up	unc_lo	author	ref	method
15.11	0.097	0.097	Masiero	2011ApJ...741...68M	NEATM
15.83	5.960	5.960	Masiero	2012ApJ...759L...8M	NEATM
16.08	6.518	6.518	Masiero	2017AJ....154..168M	NEATM
21.49	2.400	2.400	Tedesco	2002AJ....123.1056T	STM