value	unc_up	unc_lo	author	ref	method
5.92	1.220	1.220	Nugent	2016AJ....152...63N	NEATM
6.24	0.132	0.132	Masiero	2011ApJ...741...68M	NEATM
7.18	0.250	0.250	Masiero	2012ApJ...759L...8M	NEATM