value	unc_up	unc_lo	author	ref	method
0.040	0.1500	0.1500	Nugent	2016AJ....152...63N	NEATM
0.048	0.0035	0.0035	Masiero	2011ApJ...741...68M	NEATM
0.059	0.0380	0.0380	Masiero	2012ApJ...759L...8M	NEATM