value	unc_up	unc_lo	author	ref	method
0.050	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.060	0.0500	0.0500	Nugent	2016AJ....152...63N	NEATM
0.071	0.0140	0.0140	Masiero	2012ApJ...759L...8M	NEATM
0.079	0.0106	0.0106	Masiero	2011ApJ...741...68M	NEATM