value	unc_up	unc_lo	author	ref	method
0.027	0.0140	0.0140	Masiero	2012ApJ...759L...8M	NEATM
0.040	0.0044	0.0044	Masiero	2011ApJ...741...68M	NEATM
0.040	0.0460	0.0460	Masiero	2020PSJ.....1....5M	NEATM
0.049	0.0428	0.0428	Masiero	2017AJ....154..168M	NEATM
0.060	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM