value	unc_up	unc_lo	author	ref	method
0.016	0.0131	0.0131	Masiero	2017AJ....154..168M	NEATM
0.017	0.0040	0.0040	Tedesco	2002AJ....123.1056T	STM
0.034	0.0240	0.0240	Masiero	2012ApJ...759L...8M	NEATM
0.039	0.0058	0.0058	Masiero	2011ApJ...741...68M	NEATM