value	unc_up	unc_lo	author	ref	method
0.030	0.0110	0.0110	Masiero	2012ApJ...759L...8M	NEATM
0.034	0.0140	0.0240	Masiero	2021PSJ.....2..162M	NEATM
0.034	0.0150	0.0260	Masiero	2021PSJ.....2..162M	NEATM
0.039	0.0227	0.0227	Masiero	2017AJ....154..168M	NEATM
0.050	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.056	0.0240	0.0410	Masiero	2021PSJ.....2..162M	NEATM