value	unc_up	unc_lo	author	ref	method
3.73	0.690	0.690	Nugent	2016AJ....152...63N	NEATM
4.43	0.112	0.112	Masiero	2011ApJ...741...68M	NEATM
4.43	1.310	1.310	Nugent	2016AJ....152...63N	NEATM
4.88	0.290	0.290	Masiero	2012ApJ...759L...8M	NEATM