value	unc_up	unc_lo	author	ref	method
6.54	0.156	0.156	Masiero	2011ApJ...741...68M	NEATM
9.18	2.760	2.760	Masiero	2017AJ....154..168M	NEATM
9.69	2.450	2.450	Nugent	2016AJ....152...63N	NEATM