value	unc_up	unc_lo	author	ref	method
6.11	1.787	1.787	Masiero	2017AJ....154..168M	NEATM
6.42	1.520	1.520	Nugent	2016AJ....152...63N	NEATM
6.95	0.066	0.066	Masiero	2011ApJ...741...68M	NEATM