value	unc_up	unc_lo	author	ref	method
0.048	0.0080	0.0080	Masiero	2012ApJ...759L...8M	NEATM
0.050	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.050	0.0900	0.0900	Nugent	2016AJ....152...63N	NEATM