value	unc_up	unc_lo	author	ref	method
0.121	0.0075	0.0075	Masiero	2011ApJ...741...68M	NEATM
0.136	0.0527	0.0527	Masiero	2017AJ....154..168M	NEATM
0.148	0.0530	0.0830	Masiero	2021PSJ.....2..162M	NEATM