value	unc_up	unc_lo	author	ref	method
2.94	0.553	0.553	Masiero	2011ApJ...741...68M	NEATM
3.04	0.780	0.780	Nugent	2016AJ....152...63N	NEATM
3.36	1.230	1.230	Masiero	2012ApJ...759L...8M	NEATM