value	unc_up	unc_lo	author	ref	method
0.260	0.1300	0.1300	Nugent	2016AJ....152...63N	NEATM
0.280	0.0410	0.0410	Masiero	2012ApJ...759L...8M	NEATM
0.330	0.1500	0.1500	Nugent	2016AJ....152...63N	NEATM