value	unc_up	unc_lo	author	ref	method
0.040	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.071	0.0130	0.0130	Masiero	2012ApJ...759L...8M	NEATM
0.085	0.0104	0.0104	Masiero	2011ApJ...741...68M	NEATM