value	unc_up	unc_lo	author	ref	method
0.210	0.1100	0.1100	Nugent	2016AJ....152...63N	NEATM
0.259	0.1690	0.1690	Masiero	2012ApJ...759L...8M	NEATM
0.354	0.0374	0.0374	Masiero	2011ApJ...741...68M	NEATM