value	unc_up	unc_lo	author	ref	method
0.021	0.0157	0.0157	Masiero	2017AJ....154..168M	NEATM
0.030	0.0170	0.0400	Masiero	2021PSJ.....2..162M	NEATM
0.030	0.0600	0.0600	Nugent	2016AJ....152...63N	NEATM
0.035	0.0350	0.0350	Masiero	2020PSJ.....1....5M	NEATM
0.037	0.0230	0.0230	Masiero	2020PSJ.....1....5M	NEATM
0.037	0.0310	0.0310	Masiero	2012ApJ...759L...8M	NEATM
0.044	0.0190	0.0350	Masiero	2021PSJ.....2..162M	NEATM