value	unc_up	unc_lo	author	ref	method
0.250	0.1200	0.1200	Nugent	2016AJ....152...63N	NEATM
0.255	0.0420	0.0420	Masiero	2012ApJ...759L...8M	NEATM
0.280	0.1100	0.1100	Nugent	2016AJ....152...63N	NEATM
0.315	0.0303	0.0303	Masiero	2011ApJ...741...68M	NEATM