value	unc_up	unc_lo	author	ref	method
0.046	0.0287	0.0287	Masiero	2017AJ....154..168M	NEATM
0.060	0.1300	0.1300	Nugent	2016AJ....152...63N	NEATM
0.061	0.0590	0.0590	Masiero	2012ApJ...759L...8M	NEATM
0.064	0.0250	0.0420	Masiero	2021PSJ.....2..162M	NEATM