value	unc_up	unc_lo	author	ref	method
0.019	0.0150	0.0150	Masiero	2017AJ....154..168M	NEATM
0.021	0.0181	0.0181	Masiero	2017AJ....154..168M	NEATM
0.032	0.0065	0.0065	Masiero	2011ApJ...741...68M	NEATM
0.132	0.0910	0.0910	Masiero	2012ApJ...759L...8M	NEATM