value	unc_up	unc_lo	author	ref	method
0.035	0.0440	0.0440	Masiero	2020PSJ.....1....5M	NEATM
0.037	0.0250	0.0250	Masiero	2017AJ....154..168M	NEATM
0.038	0.0410	0.0410	Masiero	2012ApJ...759L...8M	NEATM
0.044	0.0059	0.0059	Masiero	2011ApJ...741...68M	NEATM