value	unc_up	unc_lo	author	ref	method
15.78	5.047	5.047	Masiero	2017AJ....154..168M	NEATM
16.94	5.460	5.460	Masiero	2020PSJ.....1....5M	NEATM
20.67	0.200	0.200	Masiero	2012ApJ...759L...8M	NEATM