value	unc_up	unc_lo	author	ref	method
0.250	0.1000	0.1000	Nugent	2016AJ....152...63N	NEATM
0.254	0.0531	0.0531	Masiero	2011ApJ...741...68M	NEATM
0.294	0.0350	0.0350	Masiero	2012ApJ...759L...8M	NEATM