value	unc_up	unc_lo	author	ref	method
0.250	0.1400	0.1400	Nugent	2016AJ....152...63N	NEATM
0.334	0.0611	0.0611	Masiero	2011ApJ...741...68M	NEATM
0.403	0.0680	0.0680	Masiero	2012ApJ...759L...8M	NEATM