value	unc_up	unc_lo	author	ref	method
2.91	0.360	0.360	Nugent	2016AJ....152...63N	NEATM
4.12	0.273	0.273	Masiero	2011ApJ...741...68M	NEATM
4.95	0.200	0.200	Masiero	2012ApJ...759L...8M	NEATM