value	unc_up	unc_lo	author	ref	method
0.136	0.0560	0.0950	Masiero	2021PSJ.....2..162M	NEATM
0.142	0.0683	0.0683	Masiero	2017AJ....154..168M	NEATM
0.168	0.0355	0.0355	Masiero	2011ApJ...741...68M	NEATM
0.182	0.0530	0.0530	Masiero	2012ApJ...759L...8M	NEATM
0.530	0.0900	0.0900	Nugent	2016AJ....152...63N	NEATM