value	unc_up	unc_lo	author	ref	method
0.068	0.0485	0.0485	Masiero	2017AJ....154..168M	NEATM
0.071	0.0310	0.0310	Masiero	2012ApJ...759L...8M	NEATM
0.077	0.0307	0.0307	Masiero	2011ApJ...741...68M	NEATM
0.089	0.0360	0.0620	Masiero	2021PSJ.....2..162M	NEATM