value	unc_up	unc_lo	author	ref	method
0.032	0.0060	0.0060	Masiero	2012ApJ...759L...8M	NEATM
0.033	0.0175	0.0175	Masiero	2017AJ....154..168M	NEATM
0.049	0.0074	0.0074	Masiero	2011ApJ...741...68M	NEATM
0.049	0.0322	0.0322	Masiero	2017AJ....154..168M	NEATM