value	unc_up	unc_lo	author	ref	method
0.030	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.033	0.0480	0.0480	Masiero	2012ApJ...759L...8M	NEATM
0.034	0.0213	0.0213	Masiero	2017AJ....154..168M	NEATM
0.038	0.0150	0.0260	Masiero	2021PSJ.....2..162M	NEATM