value	unc_up	unc_lo	author	ref	method
0.054	0.0061	0.0061	Masiero	2011ApJ...741...68M	NEATM
0.054	0.0242	0.0242	Masiero	2017AJ....154..168M	NEATM
0.060	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.061	0.0420	0.0420	Masiero	2020PSJ.....1....5M	NEATM