value	unc_up	unc_lo	author	ref	method
3.20	0.060	0.060	Masiero	2014ApJ...791..121M	NEATM
3.21	0.032	0.032	Masiero	2011ApJ...741...68M	NEATM
3.34	0.150	0.150	Masiero	2012ApJ...759L...8M	NEATM