value	unc_up	unc_lo	author	ref	method
11.08	2.760	2.760	Nugent	2016AJ....152...63N	NEATM
11.49	0.207	0.207	Masiero	2011ApJ...741...68M	NEATM
9.36	0.560	0.560	Masiero	2012ApJ...759L...8M	NEATM